Donald Trump Attorney general nominee Senator Jeff Sessions will face the Senate Judiciary Committee Tuesday morning for his confirmation hearing.

Senator Corey Booker will testify against his colleague in an unprecedented move by Democrats. This is the first time in history that a sitting senator will testify against another sitting senator for a Cabinet post during a confirmation.

Senator Jeff Sessions desegregated schools in Alabama and took on the KKK in the state.

Democrats are desperate to stop the Alabama Senator’s confirmation.

This morning Code Pink activists greeted Senator Sessions dressed as KKK members.

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Guilded #Sessions hearing room. #StopSessions, first protest just broke out by @codepink dress as KKK thanking Sessions pic.twitter.com/dioroGedvm — Adam Eidinger (@aeidinger) January 10, 2017

They heckled Sessions as he entered the room this morning.

That took long. First @jeffsessions protesters (posing as KKK members) already kicked out. pic.twitter.com/lUOojYxo6U — Cameron Joseph (@cam_joseph) January 10, 2017

The Code Pink protesters heckled Senator Sessions as he entered the room today.

Code Pink activists are still sitting in the hearing room.

@codepink now standing with signs as Sessions hearing set to begin in a few minutes pic.twitter.com/RoxLXFKWx1 — Zoe Tillman (@ZoeTillman) January 10, 2017

Sessions arrives for hearing as Code Pink hecklers dressed as KKK members yell “Jefferson Beauregard” at him pic.twitter.com/3R1EQTKRUm — Seung Min Kim (@seungminkim) January 10, 2017

Code Pink is in the house for Sessions’ confirmation hearing, as are some folks with GREAT AMERICANS USE CANNABIS t-shirts. Fun times. pic.twitter.com/fiPX4EOpTX — Sam Baker (@sam_baker) January 10, 2017

Code Pink planned ahead for this hearing.