The political interests of Russia and the United States intersect in nations across the world, and Venezuela is no exception. Both global powers want political stability in Venezuela, although for different reasons. The United States wants to avoid a more violent crisis, and the Russians, as well as the Chinese, want to protect oil investments and the repayment of loans. And Washington and Moscow have ample reason to be concerned about Venezuela’s stability. A confrontation between government elites and a dissident faction of the ruling party is threatening to balloon into a wider conflict. Opposition-led protests have lasted more than 100 days, and unrest spurred by food shortages, inflation and deep dissatisfaction with the government is spreading. And because of the growing risk of a coup, middle-ranking officials in the armed forces are under increased surveillance. To further complicate matters, oil prices remain low and public finances are depleted, meaning...