FROM CNN's Jack Cafferty: Revelations that Connecticut senatorial candidate Richard Blumenthal lied about serving in Vietnam couldn't have come at a worse time for the Democrats. [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2010/images/05/19/art.blumenthal.jpg caption=" Democratic Senate candidate and Connecticut Attorney General Richard Blumenthal holds a press conference to explain discrepancies in claims that he served in Vietnam. "] It's not … Continue reading Could supporting Connecticut's Richard Blumenthal cost Democrats the Senate?