“Celebrated storyteller Mike Daisey had barely begun his 90-minute monologue at the American Repertory Theatre when much of the audience suddenly stood up and walked out. One of the put-upon patrons even picked up a glass of water used as an on-stage prop and poured it over Daisey’s papers. The problem? The posse, 87 students and staff visiting Thursday from Norco High School in Southern California, objected to Daisey’s dirty language.”