As the impeachment spotlight shifts to the Senate, several senators are emerging as early pivotal players as Washington gears up for President Trump’s trial.

The rules, where a simple majority can make-or-break decisions, could throw a curveball into the looming procedural fights that will determine what the trial looks like. Democrats will need four GOP senators to successfully call a witness or request documents, and only three GOP senators to block a Republican motion.

A handful of senators in both parties will be under the microscope during the proceeding as the press—and leadership—look for areas where members might break ranks.

READ MORE AT THE HILL

You can listen to the War Room: Impeachment podcast on iTunesStitcherSpotifyGoogle Play, and Soundcloud.