<p>In a Dec. 12, 2008 photo, a pedestrian walks by graffiti in downtown Detroit. On Thursday, Detroit became the largest city in U.S. history to file for bankruptcy.</p>
July 20, 2013
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July 20, 2013 9 p.m.
Detroit in deep
Why city can't make comeback like Big Three
DETROIT - Four years ago, America's Big Three automakers mortgaged all they owned or went into bankruptcy court to keep from going broke.