Pelosi on Obama: 'We have his back' By: Patrick O'Connor February 5, 2009 05:40 PM EST WILLIAMSBURG, Va. — As whispers of tension between the White House and congressional Democrats cloud negotiations over the stimulus, House Speaker Nancy Pelosi (D-Calif.) reassured her rank and file Thursday that they remain President Barack Obama's "most enthusiastic supporters." "We have his back," Pelosi told a roomful of Democrats at the party's annual retreat at the Kingsmill Resort and Spa, according to people in the room. The speaker also pledged "to work in a bipartisan way" before complaining that Republican ideas "take us in...