From an 11-year-old watching the towers fall on a classroom TV to a doctor treating victims in a conference room, NBC News readers share their searing memories from Sept. 11, 2001.
9:30 a.m., Tacoma, Wash.: I was on a business trip to Tacoma, Washington, from Rhode Island, for a week of training. I was watching the Today show and I vividly remember seeing the first tower fall I… [+1294 chars]