Leno to appear on Craig Ferguson's show LOS ANGELES, Oct. 13 (UPI) -- Jay Leno will step into rival CBS' yard this month when he makes a guest appearance with Craig Ferguson on "The Late Late Show," the network said. Leno, host of NBC's "Tonight Show," was invited because Ferguson considered him to be good guest material, a source told Entertainment Weekly. Ferguson has been on a bit of a rol1 recently. His Los Angeles show recently moved into larger offices and a new sound stage at the CBS TV City lot, Entertainment Weekly said.