Every week hundreds of millions of people around the world gather to worship in peace. But for some, there comes a day when deadly violence invades their sacred spaces and shatters that sense of sanctuary and safety. It happened recently at a synagogue in England and two churches in the U.S. Before that, there were high-profile attacks at mosques in New Zealand, a synagogue in Pennsylvania and a Sikh temple in Wisconsin. This violence can intensify anxiety and outright fear among clergy and