Illinois Gov. Bruce Rauner pictured in 2016. Rauner has vetoed a school funding bill days before state payments to public schools were set to start. Seth Perlman/AP hide caption
Mayor Rahm Emanuel
Demonstrators calling for an end to gun violence and the resignation of Mayor Rahm Emanuel march through downtown Chicago on December 31. More than 500 Chicagoans have been killed so far in 2016. Scott Olson/Getty Images hide caption
Chicago Mayor Rahm Emanuel, shown here in January, wants to create a new Civilian Office on Police Accountability to investigate police shootings, allegations of excessive force and other police misconduct. Chip Somodevilla/Getty Images hide caption
Frustration with Chicago Mayor Rahm Emanuel has fueled speculation about a challenge from Cook County Board President Toni Preckwinkle. M. Spencer Green/AP hide caption
Striking Chicago public school teachers outside of George Westinghouse College Prep high school earlier today. Scott Olson/Getty Images hide caption
Striking Chicago teachers and their supporters attend a rally at Union Park Saturday in Chicago. Scott Olson/Getty Images hide caption
Minnesota Attorney General Lori Swanson announces a lawsuit against Accretive Health in Jan., saying the company failed to protect the confidentiality of health care records for thousands of Minnesota residents. The charges have widened to include the company's tactics in collecting debts. Jim Mone/AP hide caption
The mayor's message: Have a safe Halloween, zombies included.
Chicago Mayor Rahm Emanuel's office hide caption