LEAKED: Watch MSNBC Star's Profanity-Laced Meltdown

By Staff:

MSNBC star Lawrence O'Donnell launched into a profanity-laced meltdown last month during a recent taping of his show. 

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O'Donnell's viral tirade was first published by Mediate.

After lodging repeated f-bombs at his staff, he projects, "Someone in that control room is out of control."

Unfortunately for Mr. O'Donnell, it appears he was the one that was out of control, but to be fair that isn't very different from any other night for anchors at the ultra-liberal network.

WARNING: Vile, profanity-laced video below:

The MSNBC star did apologize for his foul behavior: