By RODOLFO C. ESTIMO JR. | ARAB NEWS Published: Nov 7, 2010 22:58 Updated: Nov 7, 2010 22:58 RIYADH: The Saudi Commission for Tourism and Antiquities (SCTA) announced Sunday that Saudi archaeologists have discovered an ancient hieroglyphic inscription mentioning an Egyptian pharaoh on a rock near the ancient oasis of Tayma, Tabuk province. The discovery, about 400 km north of Madinah and northeast