Fragile Yemen peace efforts affect the fight against ISIS

Aired: 12/17/2015 | 0:04:05 | Clip
In Yemen, there have been small signs of progress at peace negotiations between the government and Shiite Houthi rebels, but tanks are still blasting and gunfire still cracking despite a cease-fire. The conflict, which has ravaged the Arab world's poorest country, has also affected the fight against al-Qaida and the Islamic State group. Chief foreign affairs correspondent Margaret Warner reports.