Is this the biggest ever bust-up between a US president and an Australian prime minister? Explosive phone call between Donald Trump and Malcolm Turnbull casts doubt on decades of friendship between allies Donald Trump’s presidency is barely two weeks old, but already his relationship with Australian Prime Minister Malcolm Turnbull appears to be on the rocks. Trump is said to have slammed Turnbull over a deal agreed with Barack Obama that would see 1,250 refugees from Manus Island and Nauru sent to the US.