A U.S. official says an elite Marine rapid response team is headed to Sudan in the wake of violence and protests against the embassy in Khartoum. The deployment comes as Sudanese police opened fire on protesters trying to climb the walls of the U.S. Embassy. The Marine unit, known as a fleet antiterrorism security team, was sent in response to Friday's violence and as a precautionary measure, The move follows news that Marines arrived on the ground in Yemen to deal with the aftermath of another attack on the U.S. Embassy in the capital city of Sanaa. They arrived in...