caddell remark come hear michelle obama infamous comment oprah winfrey first lady ask oprah winfrey whether think husband administration achieve promise hope america yes say feel difference see feel hope feel like know hope necessary necessary concept barack talk hope think nice slogan get vote many believe else hope caddell continue bush people certain conduct george w. bush keep mouth shut obama forever obama say go back right vacation need washington need comment part gracefully leave stage via breitbart nail pollster pat caddell blast obamas lack one key thing departure