Al Gore's title as the leading U.S. political figure on the topic of global warming may be in danger. California Gov. Arnold Schwarzenegger has been on a roll recently, pushing for tougher state environmental standards and speaking out on the issue. Our partners at MediaCurves.com decided to compare Gore and Schwarzenegger side-by-side by running clips of their recent environmental speeches for a group of 309 survey respondents. Click here to launch our video slide show of the results, which may surprise you.