A Michigan Historical Site sign is displayed at the Michigan State Fairgrounds in Detroit, Monday, April 9, 2012. During a bill signing ceremony at the fairgrounds, Gov. Rick Snyder signed legislation... more 
A Michigan Historical Site sign is displayed at the Michigan State Fairgrounds in Detroit, Monday, April 9, 2012. During a bill signing ceremony at the fairgrounds, Gov. Rick Snyder signed legislation that returns the fairgrounds in Detroit to productive use. (AP Photo/Carlos Osorio) less 
1 / 15
Associated Press | Photo By Carlos Osorio
Mon, Apr 9, 2012 2:30 PM EDT