PARIS, Aug 8, 2006 (AFP) - The son of the last ruler of part of present-day Saudi Arabia said Tuesday he was setting up an opposition party in Paris to seek democratic rule in the oil-rich kingdom. "We announce the birth of the 'Saudi Democratic Opposition Front' which will struggle by peaceful means for the establishment of democracy in the country," said Prince Talal Mohammad al-Rashid, son of the last ruler of the independent Rashidi emirate which reigned in the northwestern region of Hail from 1835 to 1921. "The Al-Saud (family ruling Saudi Arabia) must either respect liberties and introduce...