Second in the broadcast network competition to talk to Sarah Palin: Katie Couric. The CBS anchor will spend two days on the road with her and John McCain, the network said. Couric's interview material will be aired Sept. 29 and 30 on the CBS Evening News and The Early Show. It's timed for just before the Oct. 2 vice-presidential debate. Palin also is talking to Fox News Channel's Sean Hannity this week.