"Mayor Richard M. Daley dropped the bomb at a routine news conference at City Hall on Tuesday. With no prelude or fanfare, Mr. Daley announced that he would not seek re-election when his term expires next year. 'Simply put, it's time, ' he said." New York Times, September 7, 2010 With those four words, an era ended. After twenty-two years, the longest-serving and most powerful mayor in the history of Chicago--and, arguably, America--stepped...