Why is Devin Nunes calling Rudy Giuliani and Lev Parnas?

03:40

Chairman Schiff discusses with Lawrence O’Donnell the new revelations that the ranking member on the House Intelligence Committee was making phone calls to the president's personal lawyer and an indicted Giuliani associate during critical moments in the Ukraine saga. Schiff also says the committee is trying to figure out whether a mysterious caller to Giuliani could be Trump.