I think he should invite John.
UPDATE: Chez posted the transcript of what Obama said this morning. In addition to a call for the arts, there was this:
When it comes to science, elevating science once again, and having lectures in the White House where people are talking about traveling to the stars or breaking down atoms, inspiring our youth to get a sense of what discovery is all about.
Good thing CNN just fired its space expert and its entire technology and science unit.