MELBOURNE – There is no cross at Kol Mashiach Synagogue. “People think they’ll come in here, and suddenly we’ll produce one from the back room,” said Messianic Rabbi Alan Levine, the spiritual leader of the Melbourne congregation. “We won’t. We don’t have one.” A cross, of course, is an enduring symbol of Christianity and belief in the life and death of Jesus. You’ll see one at virtually every Christian church around the world, but not at Kol Mashiach, which is in a secular-looking building on Lake Washington Road. “We’re a synagogue, not a church,” Levine said. “Don’t call us a