What to expect from Day 2 of public hearings in impeachment inquiry

Former U.S. Ambassador to Ukraine Marie Yovanovitch, who will testify Friday at the second public hearing in the Trump impeachment inquiry, has served under six presidents. Behind closed doors, Yovanovitch testified that she believed Rudy Giuliani, the president's personal attorney, was calling for her removal. Margaret Brennan joins "CBS This Morning" to talk about what to expect from the hearing.