Listen 10 min Comment on this story Comment Gift Article When Matt Greenman heard about a pro- Palestinian rally in Manhattan in April, he grabbed an Israeli flag, met the demonstrators on 42nd Street and marched ahead of them, wearing the flag like a cape. His counterprotest didn’t last long. Moving toward the sidewalk, investigators say, he was attacked by Saadah Masoud — a founding member of Within Our Lifetime, a Palestinian activist group — who punched him and dragged him across the pavement, causing a concussion. In June, the Justice Department charged Masoud with a federal hate crime ,...