Comment Overstating his case (Score 5, Insightful) 285
This assumes NASA's #1 priority is manned spaceflight - a premise I do not accept.
From New Horizons to Cassini and Messenger, the amount of non-manned spacecraft visiting Mercury, Saturn, and Pluto to expand our knowledge of the solar system in just this decade has been extensive. (Oh yeah, and the Mars rovers - the asteroid mission, etc. etc.)
He is being a bit of a blowhard to say we've nothing to show for the money NASA has spent.
http://saturn.jpl.nasa.gov/
http://www.nasa.gov/mission_pages/messenger/main/index.html
http://www.nasa.gov/mission_pages/newhorizons/main/index.html
http://mars.jpl.nasa.gov/