01.19.2020 - By PBS NewsHour
On this edition for Sunday, January 19, the Trump administration responds to House impeachment filings as the Senate trial is set to begin, violent clashes continue in Hong Kong and Lebanon, and a NewsHour Weekend special on Ukraine, a country caught in the crosshairs of conflict at home and the impeachment inquiry in the United States. Hari Sreenivasan anchors from New York.