"That's why we believe quite strongly that in order to make the president's whole case, in contradiction to a partisan process which doesn't allow him to make his full case, that we need both a full trial and the opportunity to call witnesses and work a trial over here on the Senate floor".
"House Democrats have wasted enough of America's time with this charade", White House counsel Pat Cipollone wrote.
Team Trump is turning the heat up on vulnerable Democratic House members who could face voter backlash if they vote for impeachment.
The two-paragraph letter did not expressly state the White House's refusal to participate.
In a letter last week, Nadler asked the president to notify the committee by Friday at 5 p.m. whether his lawyers would participate in any of their proceedings and whether they plan to present a defense. Nadler, in turn, expressed his disappointment: "The American people deserve answers from President Trump". Nadler, however, is considered unlikely to call them.
Trump, who denied any wrongdoing, thus far has refused to cooperate with the inquiry and ordered current and former administration officials not to testify or provide documents.
The lawmakers released a 55-page report on Saturday morning outlining what they see as the constitutional grounds on which articles of impeachment could be built. "Where the president engages in serious abuse of power, betrays the national interest through foreign entanglements, or corrupts his office or elections, he has undoubtedly committed "high crimes and misdemeanors" as understood by the framers".
The committee will hold a public hearing on Monday to consider evidence gathered in the inquiry.
"After claiming President Trump 'abused his power, violated his oath of office [&] the Constitution, '" Pelosi couldn't affirm to CNN's Tapper that she herself would vote to impeach Trump", he added.
"Weekend" that the impeachment is a sham and that Democrats are personally and politically motivated.
The probe is focusing on a July 25 telephone call in which Trump asked Ukrainian President Volodymyr Zelenskiy to open an investigation into Biden and his son Hunter, and into a discredited theory promoted by Trump and his allies that Ukraine, not Russian Federation, meddled in the 2016 USA election. Trump has accused the Bidens of corruption.
The White House had frozen $391 million of military aid to Ukraine leading up to the phone call, but eventually released it in September.