The impeachment of the US President is 'extremely unlikely,' according to Professor Simon Jackman, the CEO of the United States Studies Centre. He says Donald Trump currently has approval ratings among the Republican rank and file of 85 per cent, and there is no sign of that wavering. And with a Republican majority, that is what matters. Jackman is interviewed about by Eleanor Hall on ABC Radio's The World Today.

Read more about the prospect of a Trump impeachment here.