And as a key Democrat, Paul McHale, announced he would vote for impeachment, and two more urged Mr Clinton to resign, the momentum for impeachment seemed unstoppable.
The White House, meanwhile, went on the offensive, with the spokesman, Joe Lockhart, accusing Republicans of trying to push Mr Clinton to resign, and Vice-President Al Gore describing himself as "fighting mad" at the Republicans' tactics. Even the deployment by the White House of its weapon of last resort, the First Lady, Hillary Clinton, seemed half-hearted.
Breaking a week of silence, she issued a call for reconciliation to end the divisiveness in the country, saying: "The vast majority of Americans share my approval and pride in the job the President has been doing for our country.
"I think in this holiday season, as we celebrate Christmas and Chanukah and Ramadan, it's time for reflection and reconciliation among people, we ... ought to practise reconciliation and we ought to bring our country together. We ought to end divisiveness, because we can do so much more together."
Mrs Clinton's apparently unscripted remarks were cooler and less personal than some she has offered in support of her husband, but the choreography was significant.
She spoke outside the White House, with the glistening white dome of the Capitol in the background, a televisual message if ever there was one, that the White House would let the constitutional process take its course, but was fighting on.
Mr Clinton was conducting himself as he has done since the start of the impeachment crisis, attending to matters of state - now dominated by the assault on Iraq - and staying above the fray.
Earlier, Republicans, whose mood had already been soured by Democrats' attempts to postpone the debate, had arrived at the House baying for blood and in no mood for compromise.
They booed and yelled as Democrats tried for a new delay, citing the national interest, and calmed down only for the formal reading of the four articles of impeachment - perjury (twice), obstruction of justice and abuse of power - before engaging for an uproarious and bitter debate.
The previous day the White House spokesman had said Congress had its priorities and the White House had its, and they were different. However, it also let slip that the political truce that had prevailed during the day-long postponement of the debate was at an end.
And Republicans interpreted media reports of their Speaker-elect's adultery - and his subsequent admission - as evidence that battle for the moral low ground had been rejoined, and might be a struggle to the death.
The White House seems to be preparing for the next, and last, fight: -the trial in the Senate.
Mrs Clinton, a respected lawyer who took part in the congressional investigation of President Richard Nixon 24 years ago, was reported to be consulting constitutional experts and historians. If they go down, it seems, the Clintons will go down fighting - and go together.
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