Theresa May's message to EU leaders is the same as theirs to her: Come on, let's do business. But in the UK there is a gap between those who think walking away is a possible tactic and those who think it would be damaging to the country. Is it time for Mrs May to toughen up and say the UK will walk out of talks going nowhere? We speak to Laura Kuenssberg and former cabinet ministers Peter Mandelson and Iain Duncan-Smith to take a look at the way ahead. (Image: Theresa May waiting for a meeting, credit: Getty Images)