All the polls show that a large majority of the Israeli public supports the prime minister's plan for getting out of Gaza and uprooting the settlements there. Most of the public doesn't seem to care what you call it - separation, unilateral withdrawal, you name it; let's just get out of there, kit and caboodle. And no wonder. What are we doing there in the first place? Why didn't Begin insist that Sadat take the Gaza Strip when he turned the Sinai over to the Egyptians so that we could have ridden ourselves of this headache? A few hundred Israeli...