DURHAM, North Carolina, Aug. 23 -- Duke University Pratt School of Engineering issued the following news: * * * Duke's Design Defense Studio Trains Troops to Think Like Professional Innovators Intensive program gives service members the tools to pitch, prototype and scale defense innovations that address real battlefield needs while earning credit toward a graduate engineering certificate or master's degree. By Ken Kingery When it comes to national defense, every advantage could mean the di  more