PUPPETRY….Brad DeLong ponders Karen Hughes’ explanation for why George Bush has to have Dick Cheney in the room before he’ll testify in front of the 9/11 commission:

Shorter Karen Hughes: “I can’t think up a convincing lie, and nobody else has thought up a convincing lie either.”

Which is pretty damning, really, since we all know that Karen Hughes is not just an ordinary liar, she’s a world class liar….