I got married last week. Hence my absence from this space for the first time in seven years. It was a beautiful wedding in Acre, Israel, overlooking the ocean at sunset. My father wrote the music for the processional, which brought everyone to tears. My bride looked stunning, of course. We broke the glass, we danced, we ate and we celebrated until deep into the night. Outside the wedding hall stood a guard. Every wedding in Israel requires an armed guard to prevent terrorist attacks. Only the armed guards prevent the infliction of mass casualties at joyous events; only the...