''Matt, Matt, you don't even -- you're glib. You don't even know what Ritalin is."

Did you hear the Matt Lauer "Today Show" interview with Tom Cruise today? I happened to catch it on MSNBC radio this afternoon. Cruise is so recklessly passionate about psychiatry and psychiatric medications that he ... well ... kind of seemed to need psychiatric medication.

Lauer remained poised through the whole thing and was the very soul of moderation. If Brooke Shields believes that anti-depression medicine has helped her, why isn't that good enough? But Cruise would not back off. He kept pounding on Lauer and insisting that he knew everything because he's studied "the history of psychiatry" and because Scientology is the true religion.

Jeez, isn't anyone telling him he's going to lose a lot of fans acting like that? He seems truly deluded and must think this will actually win people over to Scientology, when, in fact, it's quite the opposite.

ADDED: Oh, here's the TiVo of last night's "Letterman," with Cruise. When he comes out, the band plays "Jump." Ha ha. Tom was just fine. Nothing strange at all. Dave is very good with him.

MORE: Here's the full text of the interview -- with a few helpful illustrations.