Pi day threatened by Tau protestors http://www.salon.com/entertainment/movies/interviews/index.html?story=%2Fent%2Ftv%2Ffeature%2F2011%2F03%2F14%2Fnational_pi_day_viral_videos
http://tinyurl.com/4pecdjl Includes a fast talking defence of tau while a cherry pie is made. harry
