Donald Trump has shocked the US political establishment by knocking out every other Republican candidate to become his party’s presumptive candidate for President. Does he have a realistic shot of taking the White House? His campaign is short of money and some senior Republicans are refusing to endorse him. Current polls suggest his chances are slim. But his message has found an audience other politicians have failed to reach – he has become a lightning rod for many disaffected Americans. So, our question this week, can Trump win? Presenter: Helena Merriman (Photo: Donald Trump, presidential candidate 2016. Credit: Getty Images)