Halperin cites concerns that terrorists would target "neighborhoods" or "states" to help detainees escape U.S. prisons Video ››› May 21, 2009 1:33 PM EDT ››› MEDIA MATTERS STAFF ? Loading the player reg... Short Link copy link Posted In Government Network/Outlet MSNBC, Time Magazine Person Mark Halperin, Martin Savidge 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.