SERIES PREMIERE: Australian Tim Minchin is a stand-up comic, an actor, and a composer. As an actor, U,S. audiences might remember him as Atticus in Californication. As a composer, he wrote the music and lyrics for the Broadway musical version of Groundhog Day. And now, in this new series import, he’s the star and creator, and one of the writers and directors, of Upright, in which a directionless young man goes on an extensive Australian road trip, aiming to tr