I find it really hard to believe, but the perennial "carbon tax vs. cap-and-trade" debate is still going on. It goes on and on and on and it never changes. It's like everyone's following a script now.

I've been over this territory so many times that I hardly know what to say any more. So here's what some other people are saying:

Joe Romm started this off by asking James Hansen to drop his quixotic and politically toxic campaign against...