Robert Koehler reviews Joaquin Mora’s “Weekend,” which “begins as a friendly road trip” and becomes a film about “a potential ménage a trois that resists classification as a drama, comedy or dramedy.” Koehler observes that Mora has joined “the growing list of young, independent-minded Chilean filmmakers eagerly embracing the benefits of low-budget video production and loose semi-narratives, their work exuding a sense of openness and a carefree, apolitical attitude that’s certainly not their parents’ cinema.”  Read Review