Who has the upper-hand in Yemen’s conflict?

More than three years into civil war, the Yemeni people are suffering from the fastest-spreading cholera epidemic in history, while millions are on the brink of famine -- a crisis worsened by a Saudi blockade. William Brangham reports and Judy Woodruff talks to former U.S. Ambassador to Yemen Stephen Seche and former Ambassador to Iraq James Jeffrey about the complex situation.