Tel Aviv, Israel CNN  —  At a military prison in central Israel, 18-year-old Itamar Greenberg sat in a US Army-issued army uniform as the Hollywood blockbuster “American Sniper” blared from the rec room’s TV. But Greenberg is not a soldier, and the desert camouflage fatigues are the only military uniform the so-called refusenik - as conscientious objectors are called in Israel - has ever worn. Greenberg has been in and out of prison for the last year, serving a total of 197 days over five