It seems fairly definite that "The Tonight Show" will get a new host -- Jimmy Fallon -- and will move from Los Angeles back to New York City by "fall 2014 at the latest," according to senior NBC executives cited by Bill Carter. Here's how certain this change is, according to one anonymous exec: “There is no way on earth that this is not going to happen.” Convinced? All the network will say officially is that "it's building a new state-of-the-art studio for Mr. Fallon."