The text of the Torah tells us we may not light a fire on Shabbat. The Rabbis later ruled that you could have fire on Shabbat as long as it was started beforehand. The Karaites said, "We should read the Torah literally." Clearly, the path of Rabbinic Judaism is an evolving reading of the Torah text as refracted through the lens of the varying approaches of the Rabbis who lived at different times, ruling sometimes more stringent sometimes less.. Take a closer look at prozbul, heter iska, the rise of the 'glatt' kosher chumra, and now there's discussion of marriage. There will always be traditionalists who want to keep all the same including dress and male/female relations -- when living in Israel I noticed that some Orthodox families disallow mixed seating at Shabbos meals.(?!) Halacha is just that, a walking, moving, evolving process.
IDF investigates report of stabbing attack in the West Bank (Haaretz)