Arlington, Virginia CNN  —  Greg Cabana, a veteran government teacher, remembers a time where his job as an educator felt secondary to being the phone police. “It was absolutely every class period,” Cabana told CNN. “It wasn’t the question of if students would have their cell phones out, it was just a question of how much would they?” This year, however, he’s no longer fighting that battle. Wakefield High School in Arlington, Virginia is part of a pilot program for the district that launched in