Happy 5th Anniversary to Our Friends at Bloggingheads.tv

Congratulations to our friends at Bloggingheads.tv for their 5th year annivesary.  To commemorate the momentous occasion, those creative geniuses went back through their treasure trove of diavlogs to chronicle the past five years, Billy Joel-style!  I count two Princeton University Press authors making appearances (Daniel Drezner and Mark Kleiman).  Check it out below!