The Israeli military has already been surprised by the carefully prepared defenses of Hezbollah, just across the Lebanese border. Their leader, Sheikh Hassan Nasrallah, and his Iranian sponsors have clearly not been wasting their time over the past six years. Israel's military has been facing first-rate defenses that are breaking up the effectiveness of invading Israeli armor with both fixed defenses like mines and IEDs and well-employed flexible defenses like anti-tank missiles. Israeli armor is already responding with a quick fix, like installing belly armor to save their highly trained crews if they can't keep their tanks from being knocked...