The Real Reason Jimmy Fallon Took Over 'The Tonight Show'

Suppose you are a chief executive or run an ad sales team. One of your top performers is hitting his quotas, but he's not up to date with the latest digital advertising streams.

Short term, he's doing great. Long-term prognosis is terrible. What do you do?

Well, if you're NBC, you replace him. For the second time in five years, Jay Leno is being replaced with a younger host. It didn't pan out with Conan O'Brien in 2009 but they are more optimistic this time around with Jimmy Fallon, age 39. And there are definite reasons for that confidence.

The dilemma: Jay Leno has the largest late-night viewership at 3.83 million. He's outperforming Letterman, Jimmy Kimmel, Fallon, even Jon Stewart in TV audience share. His ad revenue is nothing to complain about. Read more...