Well, yeah, if you only count ratings and revenue...
... the discussions over Couric's future represent a growing awareness that the Couric experiment, however successful journalistically, was a failure in terms of reinvigorating the TV news business. A leading internal candidate to replace Couric is 60 Minutes correspondent Scott Pelley, a highly respected correspondent but one with a fairly traditional skill set, suggesting that Moonves has given up on reinventing the news.
Read it all here in NYMag.com.