When seeking to understand why nations come into conflict, political scientists tend to focus either on threats to national security (realism) and or on moral duty, ideology, and domestic pressures (liberalism). Liberalism has been the major lens for international relations scholars analyzing the United States, due to the country's strong democratic foundations. In this expansive new book, Dale Copeland argues that the realist cast can shed fascinating...

Since 2016, many commentators have expressed shock at the so-called rise of the far right in America at the expense of “responsible” and “respectable” conservatism. But is the far right an aberration in conservative politics? As David Austin Walsh shows, the mainstream conservative movement and the far right have been intertwined for nearly a century, and both were born out of a “right-wing popular front” linking racists, anti-Semites,...