Trump's chief of staff still in job 'unless things change'

Amid reports of a rift between himself and his president, Donald Trump's chief of staff John Kelly has told reporters he's not quitting, getting fired or firing anyone else, "unless things change". The retired Marine Corps general made the comment to reporters at today's daily White House briefing. General Kelly also spoke about Mr Trump's plans for the Iran nuclear deal and his executive order weakening the Obamacare health Act. US correspondent Simon Marks joins us with the details.