Katie Couric and ABC finally made it official today. Here's the email to staff from ABC President Ben Sherwood:
Read my analysis of the move and all the spinning being done by Couric's PR team here.
And here's the ABC press release. (Pay attention to the language about the ABC owned-and-operated stations cleaing the 3 p.m. timeslot -- not 4 p.m, the Oprah time period. Seems like they might be hedging their bets a bit.)