Twitter may be “taking off among Washington journalists,” but there are — believe it or not — still some reporters who have not yet begun to Tweet. Including MSNBC’s “youth issues” correspondent, Luke Russert, as viewers learned earlier today on MSNBC:

DAVID SHUSTER: Luke, I’m already getting questions from people about you on Twitter. First of all, A) if you are Twittering, what your address is…


RUSSERT: I’m not Twittering yet. I’m still looking at that. I am on Facebook…