WARMING UP Obama gets serious about climate change – the GOP stays mired in denialhttp://www.americablog.com/2009/03/house-democrats-begin-push-for.htmlhttp://www.washingtonmonthly.com/archives/individual/2009_03/017528.phpI love the excuse – promoted by Rush constantly – that there can’t be global warming, every time you see a story about a big snowstormhttp://www.talkingpointsmemo.com/archives/