'KEY CHALLENGES TO NATIONAL GUARD DOCUMENTS ANSWERED' Fri Sep 10 2004 19:03:11 ET The biggest challenges to the authenticity of the documents featured in the 60 MINUTES segment on President Bush's Texas National Guard service are answered in a report to be broadcast on the CBS EVENING NEWS tonight (6:30-7:00 PM, ET/PT) on the CBS Television Network. The report states that the type style, typewriter and the superscript function critics claim did not exist at the time the memos from President Bush's former Texas National Guard commander were typed were indeed all available. In fact, similar raised "th" superscripts have...