a book that you re ready to share with the world? get published now, call for your free publisher kit today! the president s been, i think, pretty strong since day one in his language toward iran. he was responding to comments made from them. he will continue to focus and safety on the american people. the white house defending president s all caps tweet to iran warning of dire consequences if the u.s. is threatened again. the president calling on the iranians to be cautious. the foreign minister firing back with color us unimpressed. world heard harsher bluster months ago. channelling the warning to be cautious. let s bring in nick paton walsh. live from london. duelling messages from world leaders threatening war.