The U.S. Navy negotiated on Thursday with Somali pirates who held an American ship captain hostage in a lifeboat in the Indian Ocean, their first such seizure of a U.S. citizen. The gunmen briefly hijacked the 17,000-tonne Maersk Alabama freighter Wednesday, but the 20 American crew retook control after a confrontation far out at sea where pirates have captured five other vessels in a week. Four gang members were holding the captain, Richard Phillips, on the ship's lifeboat after he apparently volunteered to be a hostage for the sake of his crew. The Bainbridge, a U.S. warship, arrived on the...