Senate rules limit what images can be broadcast on TV during the impeachment trial of President Donald Trump.

Rep. Mike Johnson (R-LA) joins The Lead.

As President Trump's counsel presented their final arguments before the Senate, Pat Cipollone showed a video of Democrats speaking at Bill Clinton's impeachment proceedings in 1998.

The attack came seemingly out of the blue.

Republican senators began Monday in a bad spot. They ended it feeling like they were in a better one, at least for now. What changed? A late-morning pep talk from Senate Majority Leader McConnell and a rousing argument from White House defense attorney Alan Dershowitz that gave many Republican senators the answer to the key question of the day: Why shouldn't John Bolton testify in the impeachment trial?

The impeachment trial is approaching a volatile and unpredictable stage as President Donald Trump's defense team wrapped up its opening argument Tuesday, and the outcome of a looming vote on whether to call witnesses remains uncertain.

The Senate impeachment trial has entered perhaps its most fluid phase -- one where the White House is still technically presenting its defense, but senators in both parties are maneuvering for what comes next.

Sometimes politicians can't help themselves. They get careless. They say stuff they shouldn't say. They tell the truth that they have been trying to disguise.

A federal judge is preparing to hear arguments about whether federal employees should be limited in discussing the ongoing impeachment trial of President Donald Trump.