Republicans Discount Global Warming McCain, Bush At Odds With Most Of Party POSTED: 2:15 pm EDT May 15, 2008 UPDATED: 2:46 pm EDT May 15, 2008 The proportion of Americans who say that the earth is getting warmer has decreased modestly since January 2007, mostly because of a decline among Republicans, according to a new survey by the Pew Research Center. That puts most Republicans at odds with their standard-bearer, President George W. Bush, and with GOP presidential contender Sen. John McCain. Both men said this week global warming is real and must be addressed. Republicans are increasingly skeptical that...