Maybe last year? All I know is that, historically, it's unusual for Congress to pass a NASA authorization bill. Usually the thing dies, in committee or because it never makes it through conference, and NASA ends up just working off the appropriation. Traditionally, there has never been much pressure to pass one, because it's largely viewed as symbolic anyway, and the appropriations bill (which actually funds the programs) is the only one that really counts. But with the new authorization for larger prizes, it's a great symbol this year.

[Via Space Politics]