In his first year and a half, Trump falls out spectacularly with some of America's oldest allies as he relentlessly pursues his 'America First' agenda.

Trump turns to the Middle East, where he takes America to the brink of war with Iran, shocks the world by pulling troops out of Syria, and announces agreements between Israel and Arab states.

Trump sets his sights on Asia. We hear the extraordinary story of how threats of nuclear war against North Korea give way to bromance with Kim Jong-un.