http://www.arabnews.com/?page=7§ion=0&article=39419&d=13&m=2&y=2004&pix=opinion.jpg&category=OpinionLast summer was long and hot in the West Bank. It was also very dry. Palestinian summers typically are dry, and water for crops and drinking has always been scarce. But for Palestinians suffering under a double yoke of drought-level rainfall and the Israeli occupation, these years are drier and thirstier than ever. The only permanent surface watercourses in the area are the Jordan River and the Lake of Tiberias. The waters are allocated, under the terms of a 1996 agreement, between Jordan and Israel. The Palestinians living along the Jordan River