In his new book 'American Icon: Alan Mulally and the Fight to Save Ford Motor Company,' author Bryce G. Hoffman details 'one of the greatest turnarounds in business history.'Some people underestimate Alan Mulally when they first meet him. Ford Motor Co.'s 66-year-old chief executive, who grew up in Kansas and once aspired to be an astronaut, looks and sometimes acts like an overgrown Boy Scout.