Presidential Candidate Mitt Romney Campaigns with His Vice Presidential Pick Rep. Paul Ryan

WAUKESHA, WI – AUGUST 12: Republican presidential candidate and former Massachusetts Gov. Mitt Romney and vice presidential candidate and Wisconsin native Rep. Paul Ryan (R-WI) (L) greet supporters during a campaign event at the Waukesha Expo Center on August 12, 2012 in Waukesha, Wisconsin. Romney continues his four day bus tour a day after announcing his running mate, Rep. Paul Ryan. (Photo by Darren Hauck/Getty Images)