Last night Fairfax’s Rep. Tom Davis (R) sat down with Stephen Colbert to better know Virginia’s “Fighting” 11th District. While it was great to see another local politician step up to the plate, Davis seemed a little befuddled by Colbert’s style. For example he likes the Doobie Brothers, but has no idea what a “doobie” is, and probably won’t be participating in any program to tag and track Republicans. Whew! Maybe Davis’s performance just…