Andrew Napolitano said "those offering to tell the truth" in the impeachment trial "should be welcomed, not pilloried."
He called the likely vote against allowing witnesses in Trump's impeachment trial a "really shameful episode."
The Tennessee Republican said he would vote against witnesses, likely ensuring a quick end to the impeachment trial.
The Maine Republican broke from her party to support hearing from witnesses in the case against the president.
Chief Justice Roberts didn't look too happy with the question that Sen. Warren asked during the impeachment trial.
A key decision on whether to allow witnesses in the Senate trial looms Friday.
These Democratic lawmakers don't seem to trust impeachment as a tool of oversight anymore.
The Kentucky Republican was shut down during Thursday's Senate impeachment trial of President Donald Trump.
The Senate has eight more hours to ask whatever they want of House impeachment managers and Trump's defense team.