Commentary Here in the United States, our global geopolitical focus tends to be transoceanic; that is, our primary concern has long been communist powers on the other side of the world—first the Soviet Union beyond the Atlantic and Europe, and more recently, the People’s Republic of China across the Pacific. We shouldn’t, however, overlook the communist challenge in our own hemisphere. For at least six decades there has been a titanic struggle in Latin America between those who favor socialism (i.e., centrally planned economies) and those who favor market (i.e., decentralized) economies. There was a significant development in that ongoing struggle recently: The South American country Chile elected a new president, Gabriel Boric, “a 35-year-old, leftwing former student leader” whose supporters include “a revolutionary student movement and the Communist party,” according to The Guardian. My interest in Boric’s election has a deeply personal dimension. After translating the Latin of Julius …