DAVID GREENE, HOST:
OK. So, all those political ads are on the air. Last night, the candidates themselves were on the air. They did interviews on the same CBS program, "60 Minutes." NPR's David Schaper was watching.
DAVID SCHAPER, BYLINE: After a week in which his campaign was on the defensive, Romney told "60 Minutes" he remains confident.
(SOUNDBITE OF TV SHOW, "60 MINUTES")
MITT ROMNEY: I'm going to win this thing.