and later, federal reserve board governor sarah raskin on the state of the economy. >> the head of theation of university professors says that tenure and academic freedom are in jeopardy and need to be protected. >> tenure creates an atmosphere on campus where people can speak freely, not just in their teachings, but also in terms of university governance. if you don't like a proposal the board of trustees or the president makes, you have to be able to speak freely about it. administrators should be able to do that as well. so, that shared governance speech is part of what academy freedom protects. without that, you really don't have the expertise or the faculty to be able to you. >> cary nelson, author of "no university is an island," sunday night on c-span's "x&a." a thaw morning, george mason university economics professor garrett jones looks at the jobs that were created from the stimulus.