Obama says diversity strength of US

President Barack Obama says one of the United States' strengths is its diversity and a family gathering in his home "looks like the United Nations. A suspected car bomb killed at least six people and wounded 14 others on Monday near a Pakistan air force base close to the northwestern city of Peshawar and the Afghan border.A car laden with explosives rammed a police station wall in Budhbhair area of the city.The blast badly damaged the police station, a mosque and a shop.