Sen. John McCain once reveled in his stance as a maverick of the Republican Party on climate change. Now, as the Senate prepares a new bill, the party's 2008 presidential nominee has people wondering whose side he's on. McCain opened the year critical of President Obama's plan to pay for middle-class tax cuts with global warming legislation. He called the House-passed bill a "1,400-page monstrosity," pointing out special giveaways to reluctant lawmakers and provisions that threaten to spark an international trade war. While McCain has built a reputation as a critic of government excess, his complaints about the Democrat-led effort...