Who will fill Yemen's power vacuum?

Aired: 3/25/2015 | 0:05:13 | Clip
In Yemen, Houthi Shiite rebels now control the capital, have spread south and west, and are making an advance on Aden, driving out President Abd Rabbo Mansour Hadi. Who will rise to power and how does the turmoil affect the region? Leslie Campbell of the National Democratic Institute joins Judy Woodruff to offer analysis.