Ford (NYSE:F) CEO Alan Mulally has a color-coded management system that he implemented while he was CEO of Boeing (NYSE:BA). Ford Chief Operating Officer Mark Fields is generally regarded as the likely successor to Mulally. In this installment of "The Motley Fool Money Radio Show," Detroit News journalist Bryce Hoffman, author of "American Icon: Alan Mulally and the Fight to Save Ford Motor Company," explains why seeing red is the key to these two executives' success.