Take a Look at the Sign Someone Held Up on Live TV Behind Chris Matthews & Rachel Maddow

Some conservatives would contend MSNBC should come with a warning label — and on Friday night, it did.

During a live broadcast at the South Carolina Democratic forum, an unidentified individual took it upon himself to display a "Don't Believe the Liberal Media" sign directly behind MSNBC hosts Rachel Maddow and Chris Mathews.

The sign directed viewers to visit "StopTheBias.org," a project of the conservative Media Research Center aimed at exposing the "liberal media" during the 2016 campaign cycle.

"Our message will be everywhere, and we will make liberal media bias a national issue throughout the 2016 elections," the website says.

And on Friday night, it sure lived up to its promise.

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