Trump announces new impeachment legal team

Unity was the focus of Biden's campaign, but absent gaining even one Republican vote for his coronavirus relief package, what does that mean going forward, ABC's "This Week" Co-anchor Martha Raddatz asked Senior White House Correspondent Cecilia Vega.

"It's something we've heard almost every day since he's been in office for the last few days. He said that there would be this epiphany by Republicans if Donald Trump left. He also, on a conference call, told supporters at one point that he would -- could end up eating his words but that he believed Republicans essentially would come around," Vega said Sunday. "Martha, we may end up seeing the president eating his words on this."

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'We may end up seeing a president eating his words' on bipartisan COVID-19 bill: Vega

The Powerhouse Roundtable breaks down the latest news on "This Week."

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"The Biden team is at a crossroads right now. They've got to decide whether it is bipartisanship and unity that prevails or whether they're going to potentially go at it alone and just forego this effort of unity," Vega continued. "It is looking more and more like they're going to end up going at it alone."

Ohio's Sen. Rob Portman's decision to retire opened a major new battleground in the fight for Senate control in 2022. But after former President Donald Trump easily carried the buckeye state last November, do Democrats have a shot at flipping the seat?

FiveThirtyEight's Nate Silver gave ABC's "This Week" an early forecast.

"Democrats have a chance, it's just not a very good chance … it probably depends on the GOP having a really weak candidate or Democrats, a very strong one," he said Sunday.

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Dems don't have 'a very good chance' to win Ohio Senate race: Nate Silver

538's Nate Silver on if he buys that Democrats have a chance to win the open 2022 Ohio Senate race.

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With logistical plans hampering vaccine rollout across the country, Martha Raddatz travels to West Virginia to speak with Governor Jim Justice and Senator Joe Manchin about the state's successful vaccination launch.

Dr. Richard Besser and Arkansas Governor Asa Hutchinson will also respond to reports of new COVID variants reaching the U.S.

Plus, as Democrats push forward on President Biden's COVID relief bill, Martha Raddatz will go one-on-one with Sen. Bernie Sanders to discuss the prospects for bipartisan compromise, and the Powerhouse Roundtable breaks down Donald Trump’s influence on the future of the Republican Party.

President Donald Trump is parting ways with the lawyer who was supposed to anchor his impeachment trial -- beginning in just a little over a week, sources told ABC News.

The former president will no longer be working with South Carolina attorney Butch Bowers and his associates, including Deborah Barbier. A source close to the former president described the change as a "mutual decision" between the parties. Sen. Lindsey Graham, who urged Bowers to take the case, had told his Senate GOP colleagues Jan. 21 that Bowers would be representing Trump.

"The Democrats' efforts to impeach a president who has already left office is totally unconstitutional and so bad for our country. In fact, 45 Senators have already voted that it is unconstitutional. We have done much work, but have not made a final decision on our legal team, which will be made shortly,” Jason Miller, a spokesperson for Trump, told ABC News Saturday.

It's not clear who will be representing Trump, with several options now off the table.

Trump's former top lawyer, Jay Sekulow, who represented him at his first impeachment trial, will not be taking part in this trial. Rudy Giuliani, Trump's personal lawyer, also said he will not be representing the former president after appearing at the same rally that preceded the siege on the Capitol on Jan. 6.

The Senate trial is scheduled to start on Feb. 9. Regardless of who represents Trump, not enough GOP senators have shown an inclination to convict him.

Read more about the tumult in Trump's impeachment legal team here.

-ABC News' John Santucci