Ms Pelosi said she opened debate "solemnly and sadly", insisting if the House does not act now, "we would be derelict in our duty".
She said Mr Trump used his office to obtain an "improper political benefit" from Ukraine at the expense of the nation's security.
She said the House was forced to add a second article of impeachment against the president, obstruction of Congress, because "never before in the history of our nation have we seen a president declare and act as he is above the law".
After a day of debate, the House will vote on the two articles of impeachment against the Republican president later on Wednesday.
The Republican-controlled Senate is expected to acquit him in a trial next year.
House speaker Nancy Pelosi went after Treasury Secretary Steven Mnuchin on Friday for his decision to end some Federal Reserve COVID-19 emergency lending programs, a move also criticized by many Fed officials. Conway G. Gittens reports.
Democrats in the U.S. House of Representatives on Wednesday voted to keep House Speaker Nancy Pelosi in her job for another two years, despite the Nov. 3 elections in which the party lost seats to Republicans. Colette Luke has the latest.
[NFA] State governors across the United States were more forceful in their warnings, telling residents it was not safe to go out, as COVID-19 infections soared to new records. Conway G. Gittens reports.
[NFA] The White House coronavirus task force coordinator Dr. Deborah Birx on CBS’s ‘Face The Nation’ Sunday said she is increasingly concerned about a potential new spike in COVID-19 infections after Thanksgiving, as lawmakers continue to stall on legislation that could be crucial to vaccine distribution. Gavino Garay has more.
Two aides to former President George W. Bush are putting together their own theories as to why Speaker Nancy Pelosi has yet to send the articles of impeachment to the Senate, and it has to do with the..
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