Fri Nov 17, 7:00 AM ETUS President George W. Bush (L) and first lady Laura Bush receive flowers upon their arrival in Hanoi November 17, 2006. Bush became the second U.S. president to visit post-war Vietnam on Friday, looking to advance mutual trade and security ties and avoid dwelling on a war that still strains the American psyche 30 years later.REUTERS/Kevin Lamarque