SANTA MARIA, Calif. — The organizer of a comedy camp for underprivileged youth, who introduced Michael Jackson’s accuser to the entertainer, testified Tuesday about his efforts to help the boy through his recovery from cancer. Jamie Masada, owner of the Laugh Factory in Hollywood, said the boy attended the camp with his brother and sister in 1999 and worked on a standup act. He also described going to see the boy in a hospital while the youngster was struggling through chemotherapy for cancer. “Oh God, don’t bring that memory back,” Masada said of the boy’s illness. Masada, taking the stand...