Anderson Cooper 360

WH Limited Access To Pres. Trump's Call With Putin And Saudi Crown Prince; Sources: U.S. Special Envoy To Ukraine Resigns; Sources; U.N. Special Envoy To Ukraine Steps Down One Day After Whistleblower Complaint Is Made Public; Sources: U.S. Special Envoy To Ukraine Resigns; Sources: U.S. Special Envoy To Ukraine Steps Down; Whistleblower Claims Envoy Scrambled To "Contain The Damage" By Giuliani; Secretary Of State Mike Pompeo Subpoenaed For Ukraine Documents In Trump Impeachment Probe; WH Efforts To Limit Access To Pres. Trump's Calls With Foreign Leaders Included Russian Pres. Putin & Saudi Crown Prince; Wash. Post: Pres. Trump Told Russian Officials In 2017 He Wasn't Concerned About Moscow's Interference In U.S. Election; via Knit