"I used to be secular," says Dalia, a volunteer modesty monitor in the women's section of the Kotel, Jerusalem's Western Wall. In a previous lifetime, way back when she was a student at the Technion Institute, Dalia didn't keep Shabbat and didn't know any Torah. That was before she found her way to Orthodoxy. Today, she spends her days handing out scarves to bare-armed visitors and gently turning away...