Mark Halperin: I'm an "ex-officio" member of the GOP, "whatever that means" Video ››› March 30, 2009 9:31 AM EDT ››› MEDIA MATTERS STAFF ? Loading the player reg... Watch this video at Media Matters Short Link copy link Network/Outlet MSNBC Person Mark Halperin Show/Publication Morning Joe We've changed our commenting system to Disqus. Instructions for signing up and claiming your comment history are located here. Updated rules for commenting are here. View the discussion thread.