Why are Syrian attacks targeting hospitals and schools?

Aired: 2/15/2016 | 0:04:36 | Clip
Deadly attacks blasted hospitals and schools across Northern Syria, killing nearly 50 civilians, many of them children. Activists blamed Russian airstrikes, despite plans for a temporary cease-fire. The White House condemned the violence and the Turkish foreign minister called it "an obvious war crime." William Brangham talks with Anne Barnard of The New York Times.