When caller described Obama as "more left of center," KOA's Caldara replied, "He's more Marxist of center" Research ››› November 21, 2008 6:45 PM EST ››› MEDIA MATTERS STAFF ? Short Link copy link 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.