bass house. >> gerry ford was proposing a tax increase. a 5% tax surcharge. so i was talking with donback then he was chief of staff. and dick, who was deputy chief of staff. i said, you are not going to get 5% more revenue with a 5% tax surcharge. you may get 4% more revenue, you may get 3% -- you might also lose revenue because the tax base will shrink. i drew that little curve on the napkin to illustrate that. >> that is one of those events that stuck out in my mind. because it is not every day you see somebody whip out a sharpie. and mark up the cloth napkin at the dinner table. he was that way, drew on a lot of napkins. >> my recollection was we were in the restaurant, downstairs. sitting at a table like this. and you drew the curve on the napkin. i was struck by it. i never got the napkin. >> but i have -- the napkin that was put in the smithsonian, the writing was, to don rumsfeld from arthur. why, if i did that, would don not have picked it up? [laughter] >> i didn't want that trash. >> i had to deal with this all the time. i do these mathematical models, of the effects of tax