Opinion: Should private investment replace block grants and categorical grants in order to maintain/improve important infrastructure?

With U.S. infrastructure aging, public funds scant, more projects going private

http://www.washingtonpost.com/business/with-us-infrastructure-aging-public-funds-scant-more-projects-going-private/2011/10/17/gIQAGTuv4L_story.html?hpid=z3