DEABORN, MI -- Robert Snell of the Detroit News analyzed flight data that shows a single-engine, 2010 Cessna tied to the Federal Bureau of Investigation by an Associated Press investigation this June spent a good amount of time in the skies above the Muslim-concentrated city of Dearborn this weekend. The flight data showed the plane on Saturday and Sunday made 19 slow-speed, several-mile-wide loops above Dearborn, as well as neighboring cities of Allen Park, Melvindale, Dearborn Heights and Taylor. "The FBI is operating a small air force with scores of low-flying planes across the country carrying video and, at times,...