A visiting delegation of senior assistants to U.S. congressmen confirmed that Saudi-U.S. relations set a model to be emulated, considering the Kingdom as the leading U.S. partner in the Middle East in view of the two countries' trade exchange amounting to $ 55 billion. During a meeting at Jeddah Chamber of Commerce and Industry here today, the delegation discussed with businessmen means of promoting opportunities of commercial and investment cooperation between the two countries and developing their bilateral relations, in different political, economic and educational aspects, in addition to ways of enhancing investments and easing its procedures for Saudi businessmen in the U.S. -- SPA