Because opening ceremonies for the Olympics are on Friday, most of the big studio movies are opening today. At the top of the heap is Pineapple Express, the new stoner comedy from Seth Rogen and southern art-house director David Gordon Green (friend of Gothamist). The action-packed romp, replete with an eponymous theme song by Huey Lewis, follows a stoner and his dealer on the run from some murderous thugs. Reviews are very mixed, with......