If you're not already following the career of Kevin Zak, now's the time. The actor-turned-writer-director-comedian is in the middle of a breakout year. His buzzy off-Broadway comedy Ginger Twinsies is completing its run at the Orpheum Theatre, and he's just co-written a Muppet-filled magic show set to open at the Broadhurst Theatre. "It's been a personal dream come true, to work with the Muppets. And write for the M…
