let me just underlane the fact that i think -- underla lanline fact that one of the themes of the presentation is how much we don't know and being in that situation policy makers are best advised to tacan collect as muc information and not take action. join me for thanking our speakers and thank you for all attending. [captions copyright national cable satellite corp. 2009] [captioning performed by national captioning institute] >> these places remind me of modern catholic derails that donors would build wings on hoping they would go to heaven. waurt kirn would like to see changes to the higher education system. >> princeton philosophy lectures should be on the web. these wonderful, concentrated islands of talent and wealth and eru erudition should be opened up to the society. >> the under education of an overachiever on q aa&a tonight c-span. . and then from the detroit center of health-care issues, health care issues and what they mean toon