Mitt Romney won't be doing any apology tours on climate change. The early GOP presidential front-runner has broken with his party's conservative ranks to declare global warming a real threat to the planet that merits some sort of action to curb heat-trapping emissions. But the former Massachusetts governor is also quick to trash cap and trade, carbon taxes and other controversial policies that have been kicked around over the last decade in Washington. In a sense, Romney's initial global warming stance sounds a lot like that of former President George W. Bush, who during his two terms reluctantly accepted climate...