it is one remarkable night at the end of a historic week. and two more breaking stories tonight. the resignation of a top diplomat in the whistleblower complaint and last word that the white house -- late word that the white house restricted access to other calls in addition to the one with ukraine's president. that includes conversations with russian president vladimir putin and crown prince mohammed bin salman from saudi arabia. back with asha, gloria, and joining us, political legend carl bernstein. first of all, your reaction to this u.s. special envoy to ukraine resigning, does it surprise you? i mean, the fact is he was named in the whistleblower complaint, and he was the one who was in contact apparently with rudy giuliani and put giuliani in touch with zelensky adviser. >> we need to know more about the circumstances and doubtless