Last month, Tom Scharpling directed Aimee Mann's "Charmer" video, with Laura Linney as a robotic Aimee Mann doppelganger. That was great. This, somehow, is even better: Jon Hamm, actually playing Tom Scharpling as an oily huckster video director, proposing a shot-for-shot remake of the music video that made Mann famous: 'Til Tuesday's early-MTV classic "Voices Carry." Scharpling's comedy partner Jon ...