RIYADH First, deeply religious Saudi Arabia opened its doors to Western raves and music festivals . Now it's turning to long-neglected Saudi traditions as it seeks to draw tourists and reshape its national identity. In "Terhal", a lavish stage show in Riyadh, an actor in a red-and-white headdress gallops on a white horse, exploring the kingdom's heritage and top tourist sites. The move towards more wholesome, Saudi-inspired entertainment comes after raucous scenes at past music festivals in the