If it is to survive, a multipolar world will require more, not less, international cooperation to tackle climate change and prevent another financial crisis or military conflict. Editor’s Note: The ...

Lee’s surrender at Appomattox—dramatically illustrates the dangers of letting myth substitute for accurate history. For ...

Nineteenth-century America permitted virtually unimpeded flows of capital and labor—a key to economic prosperity.

Trump has embraced James K. Polk and William McKinley as avatars of his effort to return the United States to a bygone era, ...