During a screening last weekend of “The Twilight Saga: Breaking Dawn - Part 1’’ at Showcase Cinema Legacy Place, theater workers had to stop the film about 10 minutes before it was over to help an ailing moviegoer in the back of the theater. Audience members waited patiently with the house lights up while the person in Lux seating was checked out by EMTs. After about 20 minutes, the disoriented ticket holder was walked slowly out of the theater so that. . .