Ambassador Power on uniting anti-ISIS coalition

Aired: 12/4/2015 | 0:09:20 | Clip
There's been a dramatic uptick in the number of people fleeing civil war in Syria, while the number of countries intervening in the conflict has also increased. U.S. Ambassador to the UN Samantha Power sits down with Judy Woodruff to discuss developing a unified international approach to fighting the Islamic State, as well as the U.S. role in relieving the migrant crisis.