Bush Guard Memos Under MicroscopeNEW YORK, Sept. 10, 2004 Questions were raised Thursday about the authenticity of newly unearthed memos purporting to have been written by one of President Bush's National Guard commanders in 1972 and 1973. The memos, which were publicized on CBS News' 60 Minutes, say Mr. Bush ignored a direct order from a superior officer and lost his status as a Guard pilot because he failed to meet military performance standards and undergo a required physical exam. The network defended the memos, saying its experts who examined the memos concluded they were authentic documents produced by...