From the threat to abandon the Paris climate accord, and the Iran nuclear deal, to the withdrawal from the Trans-Pacific Partnership trade agreement and his muscular threats against North Korea; the first year of Donald Trump's presidency of the United States has alarmed many foreign policy watchers. Domestically too, US-watchers have been analysing this unconventional presidency. Dr Gorana Grgic, a lecturer in US politics and foreign policy at the US Studies Centre, was interviewed on ABC Radio's PM program.