Experienced officials and foreign affairs experts from the five countries in the Western Hemisphere that are members of the G-20 assess the forum’s contributions and shortcomings.

Rainsford’s writing—on the war, on the Kremlin’s indomitable opponents, on the contrasts between Russia’s harsh realities and the warmth of its people—is vivid and compelling.

Since its founding in 1922, Foreign Affairs has been the leading forum for serious discussion of American foreign policy and ...