In this 2003 book, Gil Merom argues that modern democracies fail in insurgency wars because they are unable to find a winning balance between expedient and moral tolerance to the costs of war. Small wars, he argues, are lost at home when a critical minority mass shifts the center of gravity from the battlefield to the market place of ideas. Merom analyzes the role of brutality in counterinsurgency, the historical foundations of moral and expedient...