In many respects, Zambia is an African success story. From a territory whose borders were drawn with minimal attention either to the ethnic geography of the day or to natural features that combined (and sometimes divided) dozens of distinct ethnic groups, rose a nation with a long record of peace that has enjoyed decades of constitutional rule, and even, in recent years, an increasingly competitive democracy. Perhaps most improbably, the country has forged a national identity. Unfortunately, peace, constitutionalism, democracy, and nationhood constantly face challenges, such as in the...