Once upon a time many youngsters dreamed of careers as pilots. The thrill of taking flight and the glamorous depictions on television and the big screen created fantasies of a career in the sky. Over the years the industry has changed. Recently regional airlines have reported new regulations, higher costs of school and lower salaries are causing a pilot shortage that could result in fewer flights for consumers. But a new report by the Government Accountability Office shows that the issue may be more complicated than it seems.