Sen. Patty Murray (D-Wash.) will co-chair the bipartisan committee, whose task has taken on new urgency because of the economic turmoil. Republicans are expected to name their choices soon.Senate Majority Leader Harry Reid announced the first three appointees to a congressional "super committee" charged with tackling the federal deficit, but the Democratic choices offer few signs that the panel can resolve the partisan stalemate that has only hardened in Congress amid the nation's worsening economic outlook.