Photo: David Kaminsky for New York Magazine The former MTV boss Tom Freston had hoped to meet at one of his old haunts, someplace that might evoke the good old days of the music network he co-founded in 1981. But most of those places are gone: the Greek luncheonette he and his colleagues used to frequent, the Mexican joint where the bartender sold cocaine, even the old MTV offices at 1775 Broadway, an entire floor of which went up in flames in 1988 when an employee working overnight tossed a