. >> i just want to -- hey, a big hand for our two authors, david finkel and ann jones. [applause] yeah. the authors will be autographing their books at the sales and signing rare number one at the ua bookstore tent. please don't ask them on the way out, because they have to get there. the festival would like for me to say to please join as a friend of the festival for your tax-deductible donation allows us to offer programming free of charge to the public and support literary programs in the community. you may learn more at the booth on the mall or online at the web site. please you have to actually leave the venue because another group is coming in right away, is please leave the venue and speak to them at the book signing area. thank you for your support. [inaudible conversations] .. >> the first is the codirector of the robin hood foundation. he has a phd in mit economics. the director of the greenberg center on foreign relations. probably the reason that i wanted to be a moderator here today was recently had a summit on the subject of how the private sector can help