Ezra Klein fisks George Will:

There needs to be some sort of Godwin's Law variant for conservatives who try to argue against global warming because they remember that Newsweek dipped into pop-science in the mid-70s and touted "global cooling." Call it Will's Law, after George Will, the supposedly cerebral conservative who brings this up every time he doesn't have a better column idea....comparing apples to apples, the scientific community didn't believe in global cooling and does believe in global warming. Sadly, our political pundits have outsourced their scientific research to an intern charged with a superficial skim of Newsweek covers.

Dave Roberts piles on. So does Nate Silver.