** FILE ** Sen. Carl Levin (right), Michigan Democrat, and Sen. John McCain, Arizona Republican, confer before talking to the media about the Chinese government's failure to cooperate in an ongoing Senate Armed Services Committee investigation into counterfeit parts in the Department of Defense's supply chain, on Capitol Hill in Washington on Tuesday, June 14, 2011. (Associated Press)

** FILE ** Sen. Carl Levin (right), Michigan Democrat, and Sen. John McCain, Arizona Republican, confer before talking to the media about the Chinese government's failure to cooperate in an ongoing Senate Armed Services Committee investigation into counterfeit parts in the Department of Defense's supply chain, on Capitol Hill in Washington on Tuesday, June 14, 2011. (Associated Press)