alec mcgillis is on after that discussing a series of essays on the recently-passed health care legislation. at about 11 a.m. eastern, jonathan gruber, the director of the health care program at the national bureau of economic research presents his thoughts on health care. his book is "health care reform: what it is, why it's necessary, how it works." and then we hear sally pipes' perspective. she argues against president obama's health care initiative and presents her own plan. and our health care programming concludes with eric topel. he contends that digital technology can make medical care more effective. for a complete schedule of booktv's programming this weekend, visit booktv.org. >>> up next on booktv, trita parsi looks at the obama administration's diplomacy towards iran over the past three years and argues that domestic politics in both countries have negatively impacted the chances for relations. this is about an hour, 20 minutes. [applause] >> thank you so much. it's always a great pleasure coming to busboys and poets. i'm forever indebted to andy and his fantastic team not only