President Barack Obama visits with an customer at PetsMart, Wednesday, Dec. 21, 2011, in Alexandria, Va., where he shopped with his dog Bo.
- The drug that killed Prince is causing an unprecedented wave of fatal overdoses, federal health officials say.
- The death toll from Italy's earthquake rose to 250 people amid efforts to dig out residents still trapped in rubble.
- WhatsApp will start sharing your account info with Facebook. You can decline the new policy, but must opt into it first 📲😵