** FILE ** In this Nov. 21, 2012 photo, Detroit Mayor Dave Bing gives a news conference on the city's budget shortfall. Bing has said that part of his strategy to close the spending gap and avoid a state financial takeover is to go after millions in dollars of unpaid taxes. But the city government itself seems to be one of the leading tax delinquents, according to municipal records, and companies on the delinquency list say the records are widely inaccurate. (AP Photo/The Detroit News, Ricardo Thomas)
** FILE ** In this Nov. 21, 2012 photo, Detroit Mayor Dave Bing gives a news conference on the city's budget shortfall. Bing has said that part of his strategy to close the spending gap and avoid a state financial takeover is to go after millions in dollars of unpaid taxes. But the city government itself seems to be one of the leading tax delinquents, according to municipal records, and companies on the delinquency list say the records are widely inaccurate. (AP Photo/The Detroit News, Ricardo Thomas)
President Obama and Transportation Secretary Ray LaHood (right) are met by (from left) Detroit Mayor Dave Bing, Rep. John D. Dingell, Sen. Carl Levin and Michigan Gov. Rick Snyder after stepping off Air Force One upon arriving at the Detroit Metropolitan Wayne County Airport in Romulus, Mich., on Monday, Dec. 10, 2012, before going to the Daimler Detroit Diesel plant in Redford. (AP Photo/Charles Dharapak)
**FILE** Detroit Mayor Dave Bing (right) speaks before the Detroit City Council on Monday, June 11, 2012, as Chris Brown, the city's chief operating officer, listens at left. (AP Photo/The Detroit News, David Coates)
Judge William Collette listens to arguments on Wednesday, June 13, 2012, at the Ingham County Courthouse in Mason, Mich., before throwing out a suit by Detroit's corporate counsel after a lawyer for Mayor Dave Bing intervened and said the city's top attorney had no authority to challenge the city's financial agreement with the state. (AP Photo/Detroit News, Dale G. Young)
Judge William Collette listens to arguments on Wednesday, June 13, 2012, at the Ingham County Courthouse in Mason, Mich., before throwing out a suit by Detroit's corporate counsel after a lawyer for Mayor Dave Bing intervened and said the city's top attorney had no authority to challenge the city's financial agreement with the state. (AP Photo/Detroit News, Dale G. Young)
Detroit Mayor Dave Bing (right) speaks before the Detroit City Council on Monday, June 11, 2012, as Chris Brown, the city's chief operating officer, listens at left. (AP Photo/The Detroit News, David Coates)
**FILE** Detroit Mayor Dave Bing (right) speaks before the Detroit City Council on Monday, June 11, 2012, as Chris Brown, the city's chief operating officer, listens at left. (AP Photo/The Detroit News, David Coates)
Detroit Mayor Dave Bing (right) said he feels the state will let the city run out of cash this week. Some residents are wondering if the Motor City is poised on the edge of an explosive summer of unrest. (Associated Press)
