*sigh* To answer people's doubt as to whether or not Obama has come to visit the memorial, here is the news: http://news.yahoo.com/3-sites-loss-obama-quietly-honors-9-11-163540478.html
He did visit the place. It's, if nothing else, his duty as the nation's leader to do so. Rather than complaining about someone (with or without evidence), maybe these people should try being president of the nation for a month.