Freeing Up Space

Joining Tim Cavanaugh in arguing for more privatization of the space program is NASA's former manager for Mars Exploration, Donna Shirley.

"[T]he thing that's continually overlooked is the possible contribution of the private sector," she said Monday.

"I personally think that it is time to really start incentivizing private enterprise to fill in gaps in space transportation that is currently just a monopoly of a few big companies."