A Staten Island eighth-grader brazenly waved a Palestinian flag at his middle-school graduation, sparking outrage after he defied a school directive. The pupil accepted his diploma onstage at Elias Bernstein IS 7 in Huguenot on Monday and unfurled the flag as he walked off the stage, video of the ceremony shows. A handful in the crowd of hundreds cheered while the majority loudly booed, immediately fracturing the event. One furious grandmother declared that her granddaughter’s graduation day