WASHINGTON (AP) - President Bush plans to nominate Marion Blakey to head the Federal Aviation Administration, according to two people with knowledge of the impending decision. Blakey, 54, currently chairs the National Transportation Safety Board, a position Bush gave her last year. She also served as administrator of the National Highway Traffic Safety Administration and as assistant transportation secretary for public affairs in the first Bush administration. In between government service, she ran her own public relations company, whose clients included the trade group for the nation's airports, which she helped win an increase in airline passenger fees. She also...