"As global talks on Syria take place in Vienna, we look at the dangers to medical workers on the front lines of the world’s deadliest conflict. Nearly 700 medical personnel have been killed in Syria since the war erupted in March 2011. The group Physicians for Human Rights (PHR) says there have been more than 300 attacks on health facilities—with the Syrian regime responsible 90 percent of the time. According to Doctors Without Borders, airstrikes in Syria have killed at least 35 patients and medical staff since an escalation in bombings late last month. Russian airstrikes have damaged six Syrian health facilities this month, killing at least four civilians and wounding six medical staffers. We are joined by PHR’s Widney Brown and a Syrian doctor who fled his country under the cover of night....."