STEELTON, Pennsylvania — Accused of being elitist, a defiant Sen. Barack Obama lashed out at rival Sen. Hillary Rodham Clinton, saying "Shame on her" and mocking her vocal support for gun rights as their political tempest threatened to consume the Democratic presidential race. It was a startling twist Sunday to the three-day controversy that erupted after the publication of comments the Illinois senator made at a San Francisco fundraiser a week earlier. At that... (GunPolicy.org)