Senator Barack Obama has an unpleasant habit of blaming others for his problems. ABC's The Note spots the pattern now that his campaign's clumsy "D-Punjab memo" that disparaged Hillary Clinton for the ties between the Clinton family and Indian-American contributors:ABC's Jake Tapper reports that Obama labeled the opposition-research document "stupid and caustic" and went on to blame his staff -- at least the third time in the past five months he has foisted blame for a campaign hiccup on his underlings. "Boy, it must be tough to be so continually disappointed with your staff," Tapper writesObama has blamed his staffers for other campaign mishaps. In February, after Obama contributor David Geffen slammed Bill and Hillary Clinton in Maureen Down's New York Times column, the Clinton campaign demanded that Obama return money Geffen had raised for them. Obama spokesman Robert Gibbs said "We aren't going to get in the middle of a disagreement between the...(Read Full Post)