The price of oil may have dropped by more than half in recent weeks but the Saudi petrodollar appears to have lost none of its allure, judging by the procession of very important visitors to the New York Palace Hotel this week and to the U.N. General Assembly. With President George W. Bush in the lead, they have all come to present their compliments to King Abdullah, the Saudi ruler, who has turned the Manhattan hotel and the world body into an extension of his court, complete, it would seem, with a Majlis to receive petitioners.