After spending three years of graduate school at Columbia University, where I studied everything from the history of Afghanistan to the legal aspects of U.S. foreign economic policy, I have no doubt that having more, rather than fewer, interests, has helped me in my career. In my piece for Columbia You entitled "Value of Liberal Arts, Even in Silicon Valley,"I argue that this breadth of graduate exposure, on top of my undergraduate studies in political science, have only helped me see the big...