"The U.S. Marines Corps is the greatest fighting force on the planet, but it’s so much more than that: it’s a factory for producing first-rate leaders, problem-solvers, and innovators. In 2006, John Warren and John Thompson led Marines into combat in the world’s most dangerous city: Ramadi, Iraq. But when they got home, employers didn’t understand what they had to offer. Undeterred, they founded their own specialty mortgage company, growing...