UNIVERSITY OF SOUTHERN CALIFORNIA Law School Professor Erwin Chemerinsky has been my colleague in the commentary business for a decade, and for the past three years a weekly guest, along with Chapman Law School Professor John Eastman, on my radio program. Together we try to make the issues of constitutional law entertaining and accessible. Erwin is hard left but brilliant, one of the intellectual architects of the Estrada filibuster, for example, and one of the self-appointed guardians of the rights of al Qaeda prisoners in Guantanamo Bay.

He crossed a line yesterday, and I called him on it on the air. He’s not alone in crossing this line, but his column is recent and available on the web, so it is a perfect example. In yesterday’s ] Los Angeles Times he wrote: