next to john we have steve shay, a professor of practice at harvard law school.steve is one of our country's leading tax authorities, serving at the highest levels of government and academia as well. he recently shook up the corporate world with his article "mr. secretary, take the juice out of expatriation." to his right is sally catsen. she is a leading expert on executive branch authority, having advised three presidents on the use of executive power and testifying before congress more than 70 times. i also had the privilege to have sally as a mentor and adviser when i was in the white house a decade and a half ago, and i am much the richer for that experience. finally, we have the senior fellow, steve roysenthal. he spent 25 years practicing tax law in washington, d.c., and he also had a stint in developing tax information. i'm going to pose questions to the speakers and try to get them to pose some questions to each other and we'll bring all of you in after that. if you are online, submit your questions to events @urban.org. and i think each of you may have