An ancient rock inscription of the word "Shabbat" was uncovered near Lake Kinneret this week -- the first and only discovery of a stone Shabbat boundary in Hebrew. The etching in the Lower Galilee community of Timrat appears to date from the Roman or Byzantine period. News of the inscription, discovered by chance Sunday by a visitor strolling the community grounds, quickly reached Mordechai Aviam, head of the Institute for Galilean Archeology at Kinneret College. "This is the first time we've found a Shabbat boundary inscription in Hebrew," he said. "The letters are so clear that there is no doubt...