The Bulletin of the Atomic Scientists is most widely known for its doomsday clock. It's currently set at 5 minutes to midnight.
Now it can add another jewel to its crown: a spirited debate about cap-and-trade versus carbon taxes, unfolding over the next few weeks. I will withhold judgment here -- I'm one of the contributors -- but feel free to use this space to cheer or jeer. The Bulletin's Roundtable does not accept user comments.