US Republican presidential candidate Mitt Romney (C) and US Republican vice presidential candidate Paul Ryan (L) attend a rally in Lancaster, Ohio, October 12, 2012. Romney took his campaign into the ... more 

US Republican presidential candidate Mitt Romney (C) and US Republican vice presidential candidate Paul Ryan (L) attend a rally in Lancaster, Ohio, October 12, 2012. Romney took his campaign into the weekend with a spring in his step, as US President Barack Obama went behind closed doors to prepare for a crucial debate less