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| Air Force One with President Barack Obama aboard on the tarmac after landing at O'Hare International Airport in Chicago on Sunday, Oct. 19, 2014. (AP Photo/Andrew A. Nelles) |
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| President Barack Obama talks with Chicago Mayor Rahm Emanuel as he walks off Air Force One after arriving at O'Hare International Airport in Chicago on Sunday, Oct. 19, 2014. (AP Photo/Andrew A. Nelles) |
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| President Barack Obama salutes as he walks off of Air Force One after arriving at O'Hare International Airport in Chicago on Sunday, Oct. 19, 2014. (AP Photo/Andrew A. Nelles) |
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| Chicago Blackhawks center Jonathan Toews, right, celeberates with defenseman Trevor van Riemsdyk (57) after Toews scored the game ending goal in overtime in an NHL hockey game on Saturday, Oct. 18, 2014, in Chicago. The Chicago Blackhawks won 2-1 in overtime. (AP Photo/Andrew A. Nelles) |
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| Nashville Predators goalie Carter Hutton (30) and defenseman Seth Jones (3) watch as Chicago Blackhawks center Jonathan Toews' shot lands in the net during overtime in an NHL hockey game on Saturday, Oct. 18, 2014, in Chicago. The Chicago Blackhawks won 2-1 in overtime. (AP Photo/Andrew A. Nelles) |
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| Nashville Predators defenseman Roman Josi (59) and goalie Carter Hutton (30) defend against Chicago Blackhawks center Jonathan Toews (19) during the third period of an NHL hockey game on Saturday, Oct. 18, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| Chicago Blackhawks left wing Patrick Sharp (10) battles Nashville Predators defenseman Roman Josi (59) during the second period of an NHL hockey game on Saturday, Oct. 18, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| Chicago Blackhawks goalie Corey Crawford (50) defends against Nashville Predators center Filip Forsberg, right, during the first period of an NHL hockey game on Saturday, Oct. 18, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| Angie Lamance-Soccorso of Wauconda, Ill., receives her medal after finishing the Chicago Marathon on Sunday, Oct. 12, 2014, in Chicago. Chicago's 37th annual race included a field of 108 elite men, women and wheelchair athletes. There were also 45,000 amateur runners registered and more than 1 million people were expected to watch along the way. (AP Photo/Andrew A. Nelles) |
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| Eliud Kipchoge of Kenya crosses the finish line to win the mens race during the Chicago Marathon on Sunday, Oct. 12, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| Men's race winner Eliud Kipchoge, left, hugs fellow Kenyans Sammy Kitwara, center, and Dickson Chumba, right, at the finish line after completing the Chicago Marathon on Sunday, Oct. 12, 2014, in Chicago. Kitwara finished in second place and Chumba finished in third. (AP Photo/Andrew A. Nelles) |
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| Rita Jeptoo of Kenya reacts after crossing the finish line to win the women's race during the Chicago Marathon on Sunday, Oct. 12, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| Tatyana McFadden crosses the finish line to win the women's wheelchair race during the Chicago Marathon on Sunday, Oct. 12, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| Runners including Oscar Roa, of Naucalpan, Mexico, depart from the starting line during the Chicago Marathon on Sunday, Oct. 12, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| Runners depart from the starting line during the Chicago Marathon on Sunday, Oct. 12, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| Simeon's Qwentn M. Bolton (28) is tackled by Dunbar's Aron Reese (54, bottom) and Navell Floyd (21) during the second half of a football game at Gately Stadium in Chicago on Friday, October 10, 2014. (Andrew A. Nelles/ For The Chicago Tribune) |
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| Dunbar's Demoria Harris (2) is sacked by Simeon's Brandon Purnell (36) during the first half of a football game at Gately Stadium in Chicago on Friday, October 10, 2014. (Andrew A. Nelles/ For The Chicago Tribune) |
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| Gary Donatelli poses at the Glenbrook North High School football field in Northbrook, Ill., on Wednesday, October 8, 2014. Donatelli, a former state football and wrestling champ, is now a producer with his first feature film having its Chicago premier at Glenbrook North. (Andrew A. Nelles/ For The Chicago Tribune) |
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| First lady Michelle Obama greets supporters after speaking at a political rally for Illinois Gov. Pat Quinn on Tuesday, Oct. 7, 2014, at the UIC Pavilion in Chicago. Quinn faces opponent Republican gubernatorial candidate Bruce Rauner in the upcoming election. (AP Photo/Andrew A. Nelles) |
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| First lady Michelle Obama speaks at a political rally for Illinois Gov. Pat Quinn on Tuesday, Oct. 7, 2014, at the UIC Pavilion in Chicago. Quinn faces opponent Republican gubernatorial candidate Bruce Rauner in the upcoming election. (AP Photo/Andrew A. Nelles) |
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| Supporters take a self portrait while first lady Michelle Obama speaks at a political rally for Illinois Gov. Pat Quinn on Tuesday, Oct. 7, 2014, at the UIC Pavilion in Chicago. Quinn faces opponent Republican gubernatorial candidate Bruce Rauner in the upcoming election. (AP Photo/Andrew A. Nelles) |
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| First lady Michelle Obama speaks at a political rally for Illinois Gov. Pat Quinn on Tuesday, Oct. 7, 2014, at the UIC Pavilion in Chicago. Quinn faces opponent Republican gubernatorial candidate Bruce Rauner in the upcoming election. (AP Photo/Andrew A. Nelles) |
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| First lady Michelle Obama hugs Illinois Gov. Pat Quinn before speaking at a political rally for Quinn on Tuesday, Oct. 7, 2014, at the UIC Pavilion in Chicago. Quinn faces opponent Republican gubernatorial candidate Bruce Rauner in the upcoming election. (AP Photo/Andrew A. Nelles) |
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| Supporters hold signs while waiting for First lady Michelle Obama to take the stage at a political rally for Illinois Gov. Pat Quinn on Tuesday, Oct. 7, 2014, at the UIC Pavilion in Chicago. Quinn faces opponent Republican gubernatorial candidate Bruce Rauner in the upcoming election. (AP Photo/Andrew A. Nelles) |
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| Purdue quarterback Austin Appleby (12) heads off the field after defeating Illinois 38-27 in an NCAA college football game on Saturday, Oct. 4, 2014, in Champaign, Ill. (AP Photo/Andrew A. Nelles) |
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| Purdue defensive back Frankie Williams (24) breaks up a pass intended for Illinois wide receiver Martize Barr (9) during the second half of an NCAA college football game on Saturday, Oct. 4, 2014, in Champaign, Ill. (AP Photo/Andrew A. Nelles) |
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| Purdue quarterback Austin Appleby (12) celebrates after scoring a touchdown against Illinois during the second half of an NCAA college football game on Saturday, Oct. 4, 2014, in Champaign, Ill. (AP Photo/Andrew A. Nelles) |
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| Purdue quarterback Austin Appleby (12) advances against Illinois during the second half of an NCAA college football game on Saturday, Oct. 4, 2014, in Champaign, Ill. (AP Photo/Andrew A. Nelles) |
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| Illinois running back Donovonn Young (5) is taken down by Purdue safety Taylor Richards (4) during the second half of an NCAA college football game on Saturday, Oct. 4, 2014, in Champaign, Ill. (AP Photo/Andrew A. Nelles) |
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| Purdue running back Akeem Hunt (1) evades Illinois defensive back Eaton Spence (27) during the first half of an NCAA football game on Saturday, Oct. 4, 2014, in Champaign, Ill. (AP Photo/Andrew A. Nelles) |
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| Purdue wide receiver Danny Anthrop (33) takes a hit from Illinois defensive back Zane Petty (21) during the first half of an NCAA football game on Saturday, Oct. 4, 2014, in Champaign, Ill. (AP Photo/Andrew A. Nelles) |
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| Illinois running back Josh Ferguson (6) is lifted up by offensive lineman Simon Cvijanovic (68) after scoring a touchdown during the first half of an NCAA football game against Purdue on Saturday, Oct. 4, 2014, in Champaign, Ill. (AP Photo/Andrew A. Nelles) |
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| Purdue running back Raheem Mostert, right, celebrates his touchdown against Illinois with teammate tight end Justin Sinz, left, during the first half of an NCAA football game on Saturday, Oct. 4, 2014, in Champaign, Ill. (AP Photo/Andrew A. Nelles) |
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| Brother Rice's Marcus Jones (1) maneuvers past Mount Carmel's Troy Weissenhofer (45, bottom) and Anthony Ries (25) during the second half of a football game at Gately Stadium in Chicago, Ill., on Friday, October 3, 2014. (Andrew A. Nelles/For The Chicago Tribune) |
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| Brother Rice's Julian Blain (18) slips past Mount Carmel's Kevin Thurmon (95) during the first half of a football game at Gately Stadium in Chicago, Ill., on Friday, October 3, 2014. (Andrew A. Nelles/For The Chicago Tribune) |
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| Barbara Mahany at her home in Wilmette, Ill., on Wednesday, October 1, 2014. (Andrew A. Nelles/For The Chicago Tribune) |
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| New York Rangers left wing Marek Hrivik, right, celebrates with right wing Mats Zuccarello, left, after Hrivik scored against the Chicago Blackhawks during the third period of a preseason NHL hockey game on Friday, Sept. 26, 2014, in Chicago. The New York Rangers won 4-1. (AP Photo/Andrew A. Nelles) |
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| A shot by New York Rangers left wing Marek Hrivik gets past Chicago Blackhawks goalie Corey Crawford (50) during the third period of a preseason NHL hockey game on Friday, Sept. 26, 2014, in Chicago. The New York Rangers won 4-1. (AP Photo/Andrew A. Nelles) |
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| New York Rangers left wing Rick Nash (61) and Chicago Blackhawks defenseman Duncan Keith (2) fight for control of the puck during the second period of a preseason NHL hockey game on Friday, Sept. 26, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| Chicago Blackhawks left wing Pierre-Cedric Labrie (22) and New York Rangers defenseman Dylan McIlrath (42) fight during the second period of a preseason NHL hockey game on Friday, Sept. 26, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| New York Rangers goalie Henrik Lundqvist defends the goal against a Chicago Blackhawks shot during the first period of a preseason NHL hockey game on Friday, Sept. 26, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| New York Rangers center Nick Tarnasky (43) and Chicago Blackhawks center Cody Bass (36) fight as linesman Andy McElman looks on during the first period of a preseason NHL hockey game on Friday, Sept. 26, 2014, in Chicago. (AP Photo/Andrew A. Nelles) |
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| Milwaukee, WI - September 24, 2014: Wisconsin Gov. Scott Walker arrives to speak to a group of veterans during an appearance at the Milwaukee County War Memorial. Gov. Walker is facing Democratic challenger Mary Burke in the upcoming election. (Andrew A. Nelles for The New York Times) |
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| Milwaukee, WI - September 24, 2014: Wisconsin Gov. Scott Walker greets guests including Gary Wetzel, right, a Vietnam veteran and Medal of Honor recipient from Milwaukee, Wis., after to a group of veterans during an appearance at the Milwaukee County War Memorial. Gov. Walker is facing Democratic challenger Mary Burke in the upcoming election. (Andrew A. Nelles for The New York Times) |
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| Milwaukee, WI - September 24, 2014: Wisconsin Gov. Scott Walker hugs Vietnam veteran Joe Campbell, of Milwaukee, Wis., after speaking to a group of veterans during an appearance at the Milwaukee County War Memorial. Gov. Walker is facing Democratic challenger Mary Burke in the upcoming election. (Andrew A. Nelles for The New York Times) |
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| Milwaukee, WI - September 24, 2014: Wisconsin Gov. Scott Walker speaks to a group of veterans during an appearance at the Milwaukee County War Memorial. Gov. Walker is facing Democratic challenger Mary Burke in the upcoming election. (Andrew A. Nelles for The New York Times) |
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| Milwaukee, WI - September 24, 2014: A campaign staffer places a placard on the lectern before Wisconsin Gov. Scott Walker arrives to speak to a group of veterans during an appearance at the Milwaukee County War Memorial. Gov. Walker is facing Democratic challenger Mary Burke in the upcoming election. (Andrew A. Nelles for The New York Times) |
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| Milwaukee, WI - September 24, 2014: Wisconsin Democratic gubernatorial candidate Mary Burke speaks to a group of women voters about her campaign platforms during an event in Milwaukee. Burke will face Wisconsin Gov. Scott Walker in the upcoming election. (Andrew A. Nelles for The New York Times) |
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| Milwaukee, WI - September 24, 2014: Wisconsin Democratic gubernatorial candidate Mary Burke, right, greets guests including Deborah Fugenschuh, left, of Milwaukee, Wis., before speaking to a group of women voters about her campaign platforms during an event in Milwaukee. Burke will face Wisconsin Gov. Scott Walker in the upcoming election. (Andrew A. Nelles for The New York Times) |
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| Sam Smith performs at the Riviera Theatre in Chicago on Monday, September 22, 2014. (Andrew A. Nelles/ For The Chicago Tribune) |
