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

Mitt Romney holds a flier titled "Women & The Obama Economy" as he speaks in Hartford, Conn., Wednesday Steven Senne/AP hide caption

itoggle caption Steven Senne/AP

President Obama waves after speaking at a UPS facility in Las Vegas on Thursday. Nevada is one stop on the president's latest road trip focusing on the economy. Julie Jacobson/AP hide caption

itoggle caption Julie Jacobson/AP