John bolton says hes willing to testify in President Trumps impeachment trial if he is subpoenaed by the senate. Bolton was a closed a visor to the president. And hes a firsthand witness with the ukraine timeline. Mitch mcconnell will now face increased pressure from democrats to call witnesses in the trial. Joining us is carol lee and hans nichols informal carol, why did bolton make this announcement now and whats changed . Well, if you look at his statement, steph, hes basically saying that he wrestled with this issue of whether he was under obligation to listen to the white house that told him not to testify or congress which was compelling him to testify or was planned to compel him to testify. And came down on the side of congress that he should appear before the senate trial and testify to what he knows if he is subpoenaed. That is a big shift in the sense that he had said prior to this he would want a court to decide and whats bolton saying in his statement is that given the tim