Barack Obama’s pick for “regulatory czar,†Harvard Law School Professor Cass Sunstein, may be the incoming president’s most popular appointment so far. Judging from his resume -- best-selling author, “pre-eminent legal scholar of our time,†and an endorsement from The Wall Street Journal -- we can almost understand why. Almost. Because as we’re telling the media today, there’s one troubling portion of the new Office of Information and Regulatory Affairs (OIRA) Administrator’s C.V. that has seems to have flown under everyone’s radar: Cass Sunstein is a radical animal rights activist. Don’t believe us? Sunstein has made no secret of his...