No one seems to be sure exactly how many people packed the National Mall today for the Rally To Restore Sanity And/Or Fear, but there's one thing everyone can agree on: sanity and/or fear are extremely popular. MTV's spokesperson told the Washington City Paper's Mike Madden that 250,000 people came out to see Jon Stewart and Stephen Colbert take the stage Saturday, while Viacom (the parent company of MTV and Comedy Central, home to Stewart's and Colbert's show) told the New York Times' Brian Stelter that "well over 200,000" were in.... At the rally itself, Mythbusters hosts Jamie Hyneman and...