FILE - In this April 25, 2012 file photo, Chevrolet Sonics move down the line at the General Motors Orion Assembly plant in Orion Township, Mich. Four years ago, America’s Big Three automakers ... more 
FILE - In this April 25, 2012 file photo, Chevrolet Sonics move down the line at the General Motors Orion Assembly plant in Orion Township, Mich. Four years ago, America’s Big Three automakers mortgaged all they owned or went into bankruptcy court to keep from going broke. Since then, General Motors, Chrysler and Ford have all returned to full financial health, unlike Detroit itself, which filed for bankruptcy Thursday after years of painful decline. (AP Photo/Duane Burleson, File) less 
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Associated Press | Photo By Duane Burleson, File
Sat, Jul 20, 2013 1:09 PM EDT