Adam Kinzinger describes himself as a Republican moderate; something he says is a dying breed in American politics.

Previous instances of presidential impeachment have each had contexts unique to their own political moments. These considerations have mattered as much as the alleged "high crimes and misdemeanors."

"The RNC and Republicans on Capitol Hill know they are poised for a great election year and what's the biggest thing that could be a hurdle to that? Donald Trump," says one longtime GOP consultant.

Vindman accuses Donald Trump Jr., Rudy Guiliani and others of conspiring to intimidate and then punish him for testifying in the former president's 2019 impeachment case.

Democrats did not gain enough Republican support to convict former President Donald Trump of inciting insurrection, but seven GOP senators did break with their own party. See the vote breakdown.

Plaskett, a House manager in former President Trump's Senate trial, defends the decision not to call witnesses. "As all Americans believed at that moment, the evidence was overwhelming," she says.

Trump's defense used roughly three of their 16 hours to push back on House impeachment managers' case that Trump should be convicted for inciting the Jan. 6 attack on the U.S. Capitol.

In 2017, several House Democrats stood and objected to the certification of then President-elect Trump's electoral victory. Then-Vice President Biden was presiding.

Impeachment managers argued that not taking action against former President Donald Trump jeopardizes the country's standing in the eyes of the global community.

Impeachment managers said Trump's lack of contrition indicates he remains a threat to democracy and must be disqualified from holding office.

She touched on her unlikely journey from projects in Brooklyn, N.Y., to St. Croix, the U.S. Virgin Islands, "and now as an adult woman representing an island territory speaking to the U.S. Senate."

Rep. Jamie Raskin called former President Donald Trump the "inciter in chief" and rejected the defense's claim that his calls to overturn the election constitute free speech under the First Amendment.

Former President Donald Trump's legal team also argued that the second impeachment trial should not move forward because he is no longer in office.

The nine House Democrats are expected to rely on lawmakers' personal experiences during the riots to build the case against Trump. The team is led by Rep. Jamie Raskin of Maryland.

Among the fairly unknown team from South Carolina is Butch Bowers, who represents public officials in ethics cases. A first for him, he has to defend the former president in a trial unlike any other.