Gives me a nice cite and link. But my favorite bit is the opening line:
More than a week after it was abandoned, the Heartland Institute’s controversial billboard campaign - linking global warming belief with mass murder - continues drawing strong reactions
Because keeping the story alive was one of the reasons behind the whole exercise. Another being to inform some of the people on the list that they were on it (because they might have forgotten or have never known) and give them a chance to have their entry deleted.