'Disruptive': Hockey's warning about a Trump Presidency
Donald Trump is officially the 47th President of the United States after his swearing-in ceremony in the capital Washington. Australia's former ambassador to the US Joe Hockey warns a second Trump presidency will be "disruptive" because the "handbrake is off" and he's not constrained by the need to be re-elected, or by a democrat House or Senate. Guest: Joe Hockey, Australia's former ambassador to the US; Fmr Federal Treasurer Producer: Lexie Jeuniewic