Welcome to The Adversarial. Every other week, we’ll provide you with expert analysis on America’s greatest challengers: China, Russia, Iran, North Korea, and jihadists. Read more below.***HizballahHizballah is facing the most complicated quandary since its July 2006 war with Israel. Despite calculated attacks, which are so far limited to Israeli military and communications targets, Hizballah’s strength is becoming its weakness — damned if it escalates, and damned if it doesn’t. The repercussions will be severe either way.The group has used the threat of its weapons as a deterrence against Israel, but Hizballah leadership also knows that their missiles — mainly