Trump's foreign policy adviser on nukes, NATO and China

Aired: 3/31/2016 | 0:04:33 | Clip
How does Donald Trump see the world? And how would he approach foreign policy as president? Walid Phares, foreign policy adviser to the Trump campaign, joins Judy Woodruff to discuss the candidate’s stance on using nuclear weapons, reviewing the future of NATO, fighting ISIS and confronting China.