When the gasohol governor marches into Iowa and says that ethanol's subsidy days are numbered because "we simply can't afford them," you know the times they are a-changin'. Tim Pawlenty's courage may have been borne of necessity, but nonetheless, it is in stark contrast to Newt Gingrich, who went to Des Moines and got on bended knee in front of the Renewable Fuels Association. Or for that matter, Al Gore, who not long ago admitted that the only reason he supported ethanol in Iowa was to secure the presidency. Profiles in courage they're not. But now, a bipartisan majority in...