Shuster on birther theory: "Why is it so difficult for Liz Cheney and other prominent Republicans to say this is garbage?" Video ››› July 23, 2009 10:04 PM EDT ››› MEDIA MATTERS STAFF ? From the July 23rd edition of MSNBC's Countdown: Loading the player reg... Previously:Carville criticizes Liz Cheney's defense of birthers: "She refuses to say this is ludicrous" Short Link copy link Posted In Government, The Presidency & White House Network/Outlet MSNBC Person David Shuster Show/Publication Countdown with Keith Olbermann 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.