MIAMI -- Venezuelan President Nicolas Maduro stood defiant in the face of a $15 million bounty by the U.S. to face drug trafficking charges, calling Donald Trump a "racist cowboy" and warning that he is ready to fight by whatever means necessary should the U.S. and neighboring Colombia dare to invade. Maduro's bellicose remarks Thursday night came hours after the U.S. announced sweeping indictments against the socialist leader and several members of his inner circle for allegedly converting Venezuela into a criminal enterprise at the service of drug traffickers and terrorist groups. One indictment by prosecutors in New York accused...