Why Assad is winning the war in Syria

With support from Russia, Iran and Hezbollah, the Assad regime has managed to consolidate power in most parts of Syria previously held by ISIS. Apart from Friday’s joint missile strikes, the U.S.’s role has been limited to diplomatic talks, which has yielded few results in sustaining ceasefires in the seven-year-long war. The New Yorker’s Robin Wright joins Hari Sreenivasan for more.