This is easily perceived as the fourth 20-year-plus anchor stepping aside, and that's not the case, ... A number of people said once Ted goes, there goes 'Nightline.' .

The notion of Ted Koppel coming on and saying, 'Here's my greatest hits,' doesn't feel right. This is a retrospective. It's not talking about Ted, it's talking about someone who Ted admires.

We can have more than a half-hour. I'm not sure we'll take it. What we want to do is do it right. It's not the length, it's nailing it just right.

As long as the quality is there, ... a different kind of broadcast is not necessarily a bad idea.