. >> this week, he and his partner robin abrams are operating booths at ten convention state caucus sites>> are there more, please? >> yes. great. >> they'll be up by 6:00 a.m. every morning and won't go to sleep until well past 2:00 the next morning. >> you don't need this sleep this week? >> well, i need it but i'm not getting it. >> you'll sleep on friday? >> no, no, no. let me explain. the single best day of the convention for button sales is friday. >> friday. that's the day after the convention closes. oddly enough, mort says he expects his typical customer will buy more buttons that day than all of the others combined. why? >> he's checking out of the hotel. >> last minute, i need to get a gift for someone. >> no, not a gift for someone. he's a delegate. he has constituents, he has relatives, friends. people push for them. people got signatures. that's when i will sell 100 for $100. >> by the time he leaves, mort will sell over 40,000 buttons. >> how are you? >> all right. thank you. >> good to see you. >> my pleasure. >> while those numbers are good, he says that's not the main re