Zahi Hawass, the Jack Valenti of Egypt's Supreme Council of Antiquities, who last year strong-armed Exelon Corporation CEO John Rowe to fork over a 2,600 year old sarcophagus he had purchased legimately eight years before, now plans to shake down anyone making copies of museum pieces or ancient monuments such as the pyramids.While the cause is a good one - raising funds to preserve Egypt's ancie