SELF-DESTRUCTA serious, serious failure in Democratic messaginghttp://voices.washingtonpost.com/plum-line/2010/09/voters_arent_listening_to_dem_message.htmlMore: http://www.washingtonpost.com/wp-srv/politics/polls/postpoll_09072010.htmlInframural sportshttp://www.talkingpointsmemo.com/archives/2010/09/a_big_eh.phpKrugman's take on Obama's $50 billion infrastructure proposal: not enough and it