MEXICO CITY — Mexican police rearrested a former governor Thursday as he was released from prison with the intent of extraditing him to the United States to face cocaine-trafficking charges. Mario Villanueva, 58, who governed the Yucatan Peninsula state that includes the resorts of Cancun and the Riviera Maya from 1993 until 1999, was arrested at dawn, moments after finishing a six-year sentence here for money laundering. He faces federal charges in New York of taking part in a conspiracy to smuggle as much as 200 tons of cocaine into the United States while governor of Quintana Roo state. Much...