"Don't believe the liberal media."

It's a simple billboard news outlet MRC NewsBusters has put up around the Cleveland and Philadelphia areas where the RNC and DNC are being held. One such billboard even greeted Washington Post national political correspondent Karen Tumulty from her hotel room window as soon as she got to Cleveland:

The message is also making it's way into the background of CNN's live RNC coverage:

The Trump Movement‏@movement_trump 23h23 hours ago

Wolf, Jake, & Dana need to turn around & read the "Don't Believe The Liberal Media" sign! Good job cowboy!pic.twitter.com/i0VMGjSijN