An American Tune

During World War II, two Soviet illegals hike into snowy Montana, and, posing as Americans, they sign up to serve in the military and disappear into the chaos of war. Nearly fifty years later, it's the Cold War and a new, burn-before-reading initiative is underway to remake CIA into a hard-hitting organization. It's slow but promising, albeit murderous. Then in 1991, an ancient KGB officer, Yuri Rostov, long thought dead, shows up in Mexico City and approaches a first-tour CIA case officer,...