The Unquiet Frontier: Rising Rivals, Vulnerable Allies, and the Crisis of American Power

How America's vulnerable frontier allies—and American power—are being targeted by rival nations

From the Baltic to the South China Sea, newly assertive authoritarian states sense an opportunity to resurrect old empires or build new ones at America's expense. Hoping that U.S. decline is real, nations such as Russia, Iran, and China are testing Washington's resolve by targeting vulnerable allies at the frontiers of American power. The Unquiet Frontier explains why the United States needs a new...