Whether it was a PR stunt or a legit "teach-in" on espresso, Starbucks shut down for three full hours last night to train baristas --leaving the 5:30 to 8:30pm coffee crowd out in the cold. Today they are back, with a new take on "the customer is always right" policy posted about their stores; it reads: "Your drink should be perfect, every time. If not, let us know and we'll make it right." Reportedly they'll......