I've seen both Lewis and Tavakoli on C-SPAN's Q&A recently. Lewis seemed to be trying to be funny, but I found Tavakoli more interesting. And I think Brian Lamb did try to wind up Lewis by mentioning that remark from JT, but I can't recall now how he responded.

JT: http://www.youtube.com/watch?v=WA20Am0pwtA ML: http://www.youtube.com/watch?v=x387_k963yY