Since the Senate impeachment trial began last week, Chief Justice John Roberts has been mainly out of the camera's line of sight. He has, clerk-like, enforced Senate procedures and kept the clock for the lawyers at the lectern. He has tried to maintain the chamber's decorum, as when he admonished the legal teams against nastiness, citing a 1905 Senate trial precedent against use of the word "pettifogging."

CNN's Anderson Cooper discusses the Senate impeachment trial against President Trump, calling out some of the GOP senators who don't wish to bring forth witnesses.

A federal judge on Tuesday effectively denied a request by an indicted associate of Rudy Giuliani to attend President Donald Trump's impeachment trial.

Impeachment manager Rep. Adam Schiff responds to an argument from President Donald Trump's legal counsel which asserts that even if former National Security Adviser John Bolton's account was true, Trump had not committed an impeachable offense.

Trump's lawyer Jay Sekulow gets tripped up over 'shoes' phrase at the Senate impeachment trial. CNN's Jeanne Moos reports.

Three-quarters of registered voters think witnesses should be allowed to testify in the Senate impeachment trial, which has reached a crucial inflection point, a new national poll from Quinnipiac University finds.

Law professor Alan Dershowitz, who is a member of President Donald Trump's impeachment defense team, said in 2016 that he believed Trump was more corrupt than Hillary Clinton and more likely to continue being corrupt as president.

Almost all the major players on Capitol Hill have lamented that these are dangerous times in Washington. But if you want to know why -- it depends who you ask.

President Donald Trump's attorney Alan Dershowitz on Tuesday shot back at Sen. Elizabeth Warren after the Massachusetts Democrat assailed his presentation in Trump's Senate impeachment trial as hard to follow and tweeted that his argument is "contrary to both law & fact."