A campaign worker hangs a sign at a campaign stop for Republican presidential candidate Mitt Romney in Lorain, Ohio, on Thursday. Jae C. Hong/AP hide caption

itoggle caption Jae C. Hong/AP

Opponents of a law limiting collective-bargaining rights cheer in Cleveland as they hear election results sounding the defeat of the measure in the Ohio general election on Tuesday. Amy Sancetta/AP hide caption

itoggle caption Amy Sancetta/AP

Jason Petroff leads cheers at a protest outside Ohio's Statehouse, Tuesday, Feb. 22, 2011, in Columbus. Jay LaPrete/ASSOCIATED PRESS hide caption

itoggle caption Jay LaPrete/ASSOCIATED PRESS