Nikolas Kozloff, author of Hugo Chavez: Oil, Politics and the Challenge to the U.S., discusses his article “What’s Behind Obama’s New Military Base in Chile;” doubts about the base’s official purpose as peacekeeper training facility, considering the recent history of US interference in South America; the Chilean government’s fight (aided by the FBI) with the Mapuche Indians over control of natural resources; US worries about Brazil as a future near-peer competitor; why the School of the...