On September 10 top Pentagon officials were compelled to cancel travel plans: On Sept. 10, NEWSWEEK has learned, a group of top Pentagon officials suddenly canceled travel plans for the next morning, apparently because of security concerns. [MSNBC 9/24/2001] Also on September 10 Willie Brown, the former Mayor of San Francisco, was warned about air travel: Brown received a warning about 10 PM on the evening of September 10 to be cautious about air travel. He was scheduled to fly to into New York City. Brown refuses to say exactly who gave him the prescient warning, citing only "my security people at the airport." [SFGate 9/12/2001] President Bush's cousin had a fortunate change of venue for a September 11 business conference: President Bush's cousin should have been in the World Trade Centre when it was attacked. Jim Pierce, managing director of AON Corporations, had arranged a business conference on the 105th floor of the South Tower where its New York offices were based. But his group was too large so they decided to move across the street to the Millennium Hotel. [Annova]