Katie Couric has landed an interview with President Bush for her debut appearance on the CBS Evening News next Tuesday night, the network said Monday. Excerpts from the interview will also be included in a CBS primetime special, Five Years Later -- How Safe Are We?, set to air the following night. Nevertheless, some of the air was taken out of the network's announcement by a separate announcement from NBC that the president will also sit down tonight for a talk with Brian Williams on the NBC Nightly News. (It will also be carried on cable networks MSNBC and CNBC, the online site, MSNBC.com, and on NBC Mobile and NBC Radio.