Will commercial providers be the future of space flight endeavours or will the real leaps still continue to be made by huge government institutions?

Will commercial providers be the future of space flight endeavours or will the real leaps still continue to be made by huge government institutions?
Date: September 12, 2010 Title: The Flight of Hayabusa Podcaster: Emily Lakdawalla Organization: The Planetary Society Blog - http://www.planetary.org/blog/ Description: It's been five years...