Stephen Spielberg’s adaptation of the Michael Morpurgo novel  “War Horse,” the adaptation of Jonathan Safran Foer’s novel “Extremely Loud and Incredibly Close,” and Cameron Crowe’s “We Bought a Zoo” are slated to be this week’s newly-released, big box office winners. “The Artist,” which topped many years’ best lists and has only been in a handful of  theaters, also opens across the country this weekend.   Rafer Guzman and Kristen Meinzer  discuss all of this week’s new releases. Meinzer is culture producer for the Takeaway and also co-hosts the Movie Date podcast. Guzman is film critic for Newsday, and co-host of the Takeaway’s Movie Date Podcast.