WASHINGTON — Facing a possible defeat in the Senate, the White House is considering delaying a vote on President Obama's choice for surgeon general or withdrawing the nomination altogether, an acknowledgment of its fraying relationship with Senate Democrats. The nominee, Dr. Vivek H. Murthy, an internist and political ally of the president's, has come under criticism from the National Rifle Association, and opposition from the gun-rights group has grown so intense... (GunPolicy.org)