Political advertising has set a new record -- 1 million spots aired to date -- according to a Wesleyan Media Project analysis of data from Kantar Media CMAG. Specifically, 1,015,615 ads have aired since June 1, marking a 39.1% increase over 2008 (730,041) and a 41% increase over 2004 (720,064). During the general election period following each candidate's nomination, the Obama campaign outspent Romney's campaign 2.6-to-1 on advertising. To date, Denver has been the No. political advertising market with 4,689 spots aired so far, followed by Las Vegas (4,433), Orlando (3,767), Cleveland (3,668) and Tampa (3,441).