You'll find some great transcripts of chats over at the ICL page.
And you'll also find (ahem) my chat about humor there also.
This Humor chat was a lot of fun to do. Jan Fields, the web editor for ICL and also the moderator of the chat, is downright brilliant. Still, we managed to digress into low-brow humor at times. Slapstick lives!
If you're a writer wondering about some part of the process of writing for kids, check out the index of transcripts dating back to 1999. The sheer breadth of it all will astound you. And sign up for their free Children's Writer e-newsletter. It's packed with useful information.