"I had a blast today, hanging with Elmo, Ernie, Bob and others," blogs Brian Williams, not talking about a hallucination, but rather his guest spot on the now-more-diverse Sesame Street, which he shot yesterday morning. Brian and his wife have raised their two children with Big Bird and friends, so it's always been a dream for him to appear on the show. And just like Anderson Cooper, toddlers will have no freakin' clue who these old guys are. [Daily Nightly]