Ousted Venezuelan president Nicolas Maduro urged a US judge on Wednesday to dismiss criminal drug trafficking charges against him, arguing he should be immune from prosecution as the head of a sovereign country.The charges, filed in Manhattan federal court, formed the basis for the US military’s raid on Caracas and capture of Maduro on January 3. The Venezuelan leader, who has been held in a Brooklyn federal jail since his seizure, has pleaded not guilty and is scheduled to go on trial on June...