Yesterday, my friend and colleague Roger Dean ("RD") Huffstetler announced his candidacy for the United States Congress, representing the 5th District of Virginia. He will run as a Democrat, which, given the district, would give a typical candidate an uphill battle—and against an incumbent no less. But, this is no ordinary candidate. It won't be easy, but he can win. And he should win. That would be a great thing for Virginians and for Americans. Here's why.