Georgetown University sits on a hilltop above the Potomac. Its flagship school, the Edmund A. Walsh School of Foreign Service, trains America’s future diplomats, senior military officers, and intelligence operatives. Its graduates include Bill Clinton and a long list of senators, ambassadors, a CIA director, two White House chiefs of staff, the king of Spain, and various heads of state. The school also grants degrees to foreign students. I enrolled in its master’s degree program after spending