Listened to The Latest: The Irregular Channel from New York Times

Testimony from Fiona Hill, a former top White House adviser, showed that even the witnesses in the impeachment inquiry may only now be learning the full picture of the part they played in the Ukraine story.

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Throughout the impeachment inquiry, an image has surfaced of the Trump administration’s two policymaking channels on Ukraine — one regular, one not. Today’s testimony from Fiona Hill, President Trump’s former top adviser on Russia and Europe, raised the question: Which was which?