Oliver and guest falsely claimed Amendment 58 "would make Colorado one of the highest-taxed states in the nation on its oil and its natural gas" Research ››› October 3, 2008 6:55 PM EDT ››› 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.