It was my 50th journey to Israel. I returned earlier this month. Jubilees are generally joyous. Not this one. This trip was taken with 24 colleagues and 15 lay leaders of Conservative synagogues from the United States and Canada. We went as a show of solidarity with Israel, which is beleaguered by terrorism. An hour after leaving Ben Gurion airport in Tel Aviv, we already were visiting with families in the Jerusalem neighborhood of Gilo. They and their homes had been fired upon sporadically by Palestinian militants during the past 18 months. A long, protective wall has been erected in...