Larry David, in a one-shot HBO Films comedy, plays a long-haired, opinionated marketing director who inadvertently walks away from a huge fortune on principle, and still regrets it, and seeks revenge, a decade later. It’s another self-assured triumph by David, who uses the same creative template as on Curb Your Enthusiasm – intricate plots, lots of improvised dialogue – to serve up another very funny treat. And what a cast: Jon Hamm, Michael Keaton, Kate Hudson, Eva Mendes, Dan