Secretary confidently explains why buying Denmark isn't crazy actually

NEW: Secretary Marco Rubio fires back at reporter after reporter while fielding questions, says Trump intends to buy Greenland. Reporter: Does the U.S. intend to buy Greenland? Rubio: That's always been the President's intent from the very beginning. Reporter: Is the administration willing to risk the NATO alliance? Rubio: The president always retains the option to use military force to defend the United States. Reporter: The people of Venezuela are waking up to the same regime. Do you not worry about that? Rubio: The leverage the United States has over those interim authorities is going to begin to lead to positive outcomes. Reporter: How much is it going to cost us being in Venezuela? Rubio: It doesn't cost us any money. "One of those ships that was seized that had oil in the Caribbean, you know what the interim authorities are asking for in Venezuela?" "They want that oil that was seized to be part of this deal. They understand that the only way they can move oil and generate revenue and not have economic collapse areif they cooperate and work with the United States."