National wrapped Tues with attendance at 15,500, down from 17K last year in San Fran. NCTA blamed lower-than-normal walk-in registrations for the decline. The number of exhibitors rose slightly to 360 from 340 in ’05. The ’07 show is slated for Vegas, May 7-9. — NAMIC told 600 National attendees at its breakfast Tues that veteran professional staffer and evp Kathy Johnson will become the group’s president. Current pres Manish Jha of Mobile ESPN will become chairman; going forward, the chairman’s spot will be an election position, serving a 2-yr term. The move was made to ensure "sustained leadership," Jha said. — Breakfast attendees were treated to an inspirational speech from 21-yr- old author Farrah Gray, who said images he’d seen on TV inspired him to lift himself from his ghetto roots and become a millionaire by age 14. — VOD net Expo TV will launch on Comcast next week, according to Expo CEO Daphne Kwon.