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From Lexington and Gettysburg to Normandy and Iraq, the wars of the United States have defined the nation. But after the guns fall silent, the army searches the lessons of past conflicts in order to prepare for the next clash of arms. In the echo of battle, the army develops the strategies, weapons, doctrine, and commanders that it hopes will guarantee a future victory. In the face of radically new ways of waging war, Brian Linn surveys the past assumptions--and errors--that underlie the army's many visions of warfare up to the present day. He explores the army's forgotten heritage of deterrence, its long experience with counter-guerrilla operations, and its successive efforts to transform itself. Distinguishing three martial traditions--each with its own concept of warfare, its own strategic views, and its own excuses for failure--he locates the visionaries who prepared the army for its battlefield triumphs and the reactionaries whose mistakes contributed to its defeats. Discussing commanders as diverse as Dwight D. Eisenhower, George S. Patton, and Colin Powell, and technologies from coastal artillery to the Abrams tank, he shows how leadership and weaponry have continually altered the army's approach to conflict. And he demonstrates the army's habit of preparing for wars that seldom occur, while ignoring those it must actually fight. Based on exhaustive research and interviews, The Echo of Battle provides an unprecedented reinterpretation of how the U.S. Army has waged war in the past and how it is meeting the new challenges of tomorrow.

From the New York Times bestselling author of Nudge and The World According to Star Wars, a revealing account of how today's Internet threatens democracy—and what can be done about it As the Internet grows more sophisticated, it is creating new threats to democracy. Social media companies such as Facebook can sort us ever more efficiently into groups of the like-minded, creating echo chambers that amplify our views. It's no accident that on some occasions, people of different political views cannot even understand one another. It's also no surprise that terrorist groups have been able to exploit social media to deadly effect. Welcome to the age of #Republic. In this revealing book, New York Times bestselling author Cass Sunstein shows how today’s Internet is driving political fragmentation, polarization, and even extremism--and what can be done about it. He proposes practical and legal changes to make the Internet friendlier to democratic deliberation, showing that #Republic need not be an ironic term. Rather, it can be a rallying cry for the kind of democracy that citizens of diverse societies need most.

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"Originally published in the June 11, 1984, New Yorker, this lengthy essay is a sharp-edged inquiry into the generational institutions of our national life. George Trow tells the story of upstate New York's Black Rock Forest - a 3,800-acre site overlooking the Hudson River - through the lives of the men who were connected to it and through the larger histories of Harvard University, U.S. conservation policies, and physics and biology. His story is ultimately a symbolic tale that bears upon some of the most significant institutions, professions, and legacies in contemporary American life"--Book jacket.