BoingBoing links to an interesting story about time travel and a self-policing community of time-travelers (modeled on a Wiki community). 11/21/2104 At 02:21:30, SneakyPete wrote: Vienna, 1907: after numerous attempts, have infiltrated the Academy of Fine Arts and facilitated Adolf Hitler’s admission to that institution. Goodbye, Hitler the dictator; hello, Hitler the modestly successful landscape…