GRADING ON THE CURVEObama’s report cardhttp://www.washingtonmonthly.com/archives/individual/2010_05/023683.phpIs the WH preparing the ground for Elena Kagan’s Supreme Court nomination?http://www.salon.com/news/politics/war_room/2010/05/06/white_house_kagan_talking_pointsDysfunctionalhttp://www.dailykos.com/storyonly/2010/5/6/864145/-Sen.-Tom-Udall-on-Senate-Gridlock"All I do know is that there