Kurt Volker said he has known former Vice President Joe Biden as an honorable man for decades while rebuffing debunked corruption allegations.
The Senate majority leader is likely to abandon the president if it appears that keeping his role is more assured if Trump is gone.
“This tweet has been brought to you from Upside Down World,” one person hit back.
Former national security adviser Susan Rice called the claims of White House press secretary Stephanie Grisham "a bald-faced lie."
Ranking member Devin Nunes (R-Calif.) kicked things off by ignoring Alexander Vindman's rank of lieutenant colonel, and other Republicans piled on.
The former National Security Council expert on Russia testifies that he "didn’t necessarily always act" on EU ambassador Gordon Sondland's ideas.
The former special envoy to Ukraine is one of many establishment Republicans who tried in vain to change the Trump administration from within.
Several top officials with potentially valuable knowledge have refused to come to Capitol Hill.
Lt. Col Alexander Vindman and State Department official Jennifer Williams testified about their concerns with President Trump's call with Ukrainian President Zelensky.
Twitter users -- including Rep. Eric Swalwell -- reminded the GOP senator of his NSFW gaffe.
Critics pointed out that Lt. Col. Alexander Vindman is a decorated combat veteran, while Trump recently fled a book signing "because people were being mean."
“Who are we as a nation if we respond to threats of political retribution with retribution?” the congresswoman wrote in a letter.
"The president gets to choose who’s around him, but I don’t think that reflects as well as it might,” the senator said of Miller's apparent ties to white nationalism.
Trump's lawyers are expected to keep fighting the lawsuit.
"We hear you, we continue to stand with you, and we will not stand idly by," Sen. Marco Rubio, a co-sponsor of one of the bills, said.
Media outlets mention that Pete Buttigieg was a Rhodes scholar far more often than they mention that Cory Booker was one too.
“Christmas ornaments, drywall and [Jeffrey] Epstein ― name three things that don’t hang themselves,” Sen. John Kennedy said in a Judiciary Committee hearing.
Lt. Col. Alexander Vindman's counsel was forced to step in during the awkward moment.