Last week's deadly shootout at a Michigan synagogue was just the latest reminder of the surging violence facing Jews across the globe. In response, congregations in New Jersey are taking precautions that seemed unnecessary just a few years ago: cameras, guards and, in some congregations, guns. Along with the emotional toll, it's putting a strain on the budgets of many local temples. "It’s heartbreaking and unfortunate that security training is now a necessary and critical focus for our community, but it is," said Jason Shames, the CEO of the Jewish Federation of Northern New Jersey in Paramus. "We know from...