The Freakonomics Radio podcast has debuted as the No. 2 most popular podcast on iTunes. It is also available for download via RSS. Meanwhile, Freakonomics and SuperFreakonomics are the No. 2 and No. 6 books, respectively, on the Chronicle of Higher Education’s best-seller list. In the real world, SuperFreakonomics has entered its 15th week on the N.Y. Times best-seller list (and is the No. 2 business book), while Freakonomics is in its 23rd week on the paperback list. Blog posts about the SuperFreakonomics global-warming controversy are collected here.