DENVER, CO - OCTOBER 01: A microphone sits on the stage before Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during a campaign rally at the Wings Over the Rockies Air and Space Museum on October 1, 2012 in Denver, Colorado. Mitt Romney arrived in Denver ahead of his first debate with U.S. President Barack Obama which will be held on Wednesday October 3.  (Photo by Justin Sullivan/Getty Images)