Here is a link to my slideshare presentation: http://www.slideshare.net/meskey/opennasa-v20
It would be quite wonderful to partner with other Federal Agencies to build a suite of opensocial portals, i.e., OpenNASA, OpenEPA, OpenDHS, OpenNIH, etc.
Come find me on GovLoop if you're interested in seeing a demo or getting an overview of our work in progress...
See below for related links to people, projects and powerpoints that have provided inspiration:
Cloud Computing Security and Compliance Challenges (Patrick Stingley's presentation is great)..