Eric Cantor faces a challenge in November’s midterm election, but if his opponent ends up being Mike Dickinson, Cantor can worry about … well, almost anything else. Dickinson, a Democrat looking for the nomination in VA-07, has pledged to use his campaign to wage “war” on the Tea Party, the NRA, and Fox News. Greta van Susteren offered him a battle last night, and it didn’t take long for Dickinson to turn his war on Fox News into a rout. Via Twitchy, this is must-see TV: