Key Diplomat to Testify In Impeachment Probe

Associated Press: “William Taylor has emerged as an unlikely central player in the events that are at the heart of the impeachment inquiry of President Donald Trump.”

“The retired career civil servant was tapped to run the U.S. Embassy in Ukraine after the administration abruptly ousted the ambassador. He was then drawn into a Trump administration effort to leverage U.S. military aid for Ukraine.”

“And then he apparently grew alarmed.”