When celebrity property tycoon Donald Trump made his presidential bid, it was met with a lot of LOL and WTF. But now, a lot of OMG is setting in, with Trump sitting pretty as the Republican presumptive nominee. What’s going on in the States that could give rise to The Donald? And what are the implications of a Trump Presidency? To get our heads around it, we’ve called on the smarts of Dr David Smith, Senior Lecturer in American Politics and Foreign Policy at the US Studies Centre (USYD).