@failures art,
Bingo, we're singing the same song. The interview(s) with Palin told the story of what a lightweight player Palin is/was/will be. Couric did her job, though, I'm not quite sure how hard of a job that one was to accomplish.
Couric is recognized and trusted by the public at large at this point in her career. Hardly should she be considered a failure in even by the harshest critics. Who is her competition? They don't come across to me as head-and-shoulders above her.