Zionist Union’s Erel Margalit threatened after urging fuller scrutiny of PM’s dealings, slamming calls to pardon IDF soldier Elor Azaria By Times of Israel staff Zionist Union MK Erel Margalit (Flash 90) The Knesset guard was ordered Friday to step up security protection around Zionist Union MK Erel Margalit, after the opposition lawmaker was threatened. Knesset…