On Thursday, a former State Department official set off a firestorm when he defied the White House’s no-cooperation strategy and provided Congress with text messages detailing the administration’s effort to leverage a potential meeting with Trump to pressure his Ukrainian counterpart to launch investigations into Trump’s political rivals.
And House Democrats are expected to interview other critical witnesses this week as they try to build a case for impeaching Trump over his alleged willingness to seek the help of a foreign leader for his own political gain.