steve mcmillan is now withsteve mcmillin was omb of the bush administration and jared bernstein, senior fellow there and did a stint of chief economist in joe biden's office. i want to start with you, donald. when you were the acting director of cbo, you were confronted with an immigration bill and you were involved in trying to figure out what the macroeconomic effects would be and how to dynamically analyze it. i don't know if you dynamically scored it. for people not into the lingo that means you tell them what the macroeconomic effects are. dynamically scoring means you actually figure that into the official price tag. tell us a little bit about the immigration decision you had to make. >> first, i want to emphasize that i think the dynamic scoring debate has so much focus on tax that the spending and regulatory policy angle of it has not gotten enough attention and it's where these issues are going to be very important. in 2006, much like happened in 2013, congress considered a major immigration bill that would change the size of the u.s. population, changing the size of the u.s. l