He loosened Congress's constraints by refusing to cooperate with the impeachment probe. US ambassador to the European Union Gordon Sondland, who effectively implicated Trump in a quid pro quo in colorful House testimony, was also sent packing. And they undermine the comments of GOP senators who in voting to acquit the President suggested that the shame of impeachment could temper his behavior. Trump's attempts to pressure Ukraine to investigate Hunter Biden and Joe Biden, his potential 2020 general election rival, were at the center of the President's impeachment trial. Trump and his allies have repeatedly made unfounded and false claims to allege that the Bidens acted corruptly in Ukraine.

Source: CNN February 10, 2020 05:01 UTC