Caldara: In contrast with Democrats, GOP campaign volunteers "are people who have to take time away from their families, because they pay taxes" Research ››› February 7, 2008 6:54 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.