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Historic impeachment trial of Trump begins in the Senate

Chief Justice John Roberts was sworn in for President Trump's impeachment trial, before administering the oath to U.S. senators, on Jan. 16. (Video: U.S. Senate)
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The historic impeachment trial of President Trump got underway Thursday with the swearing in of senators and the presentation of the two charges of abuse of power and obstruction of Congress.

John G. Roberts Jr., chief justice of the United States, was sworn in to preside over the trial, which is focused on Trump’s conduct toward Ukraine. Senate Majority Leader Mitch McConnell (R-Ky.) has said the trial will proceed “in earnest” next week.

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Fallout also continued Thursday from new allegations by Lev Parnas, a former associate of Trump’s personal lawyer Rudolph W. Giuliani, that Trump knew of his efforts to dig up dirt in Ukraine that could benefit Trump politically. The impeachment charges center on the allegation that Trump withheld military aid and a White House meeting to pressure Ukraine to investigate his political rivals, including former vice president Joe Biden.

●White House hold on Ukraine aid violated federal law, congressional watchdog says.

●Ukraine opens probe into possible surveillance of former U.S. ambassador Marie Yovanovitch.

●Parnas used access to Trump’s world to help push shadow Ukraine effort, new documents show.

●Eyeing swift impeachment trial, Trump’s legal team aims to block witnesses and cast doubt on charges.

The Senate impeachment trial process | The impeachment managers | Which senators support removing Trump | House resolution impeaching Trump | Other key documents