The Supreme Court will have to sort through more than 150 years of byzantine rules and regulations to determine the fate—and the future—of a drying West.

In upholding the Muscogee (Creek) Nation’s treaty-guaranteed lands, the justices did something simple but unexpected.

Trump’s childish nuclear gambling and obsessive jingoism have combined in a strategy that could end arms control as we know it.

The president is shaking down Tokyo and Seoul for billions more in security aid, and testing the foundations of U.S. alliances in Asia.

The Trump administration is poised to kill another useful treaty that contributes to trans-Atlantic peace.

Of all the issues raised by Germany’s National Socialist movement, its promise to scrap the Versailles Treaty has probably appealed more strongly to the Germans than any other.

When President Wilson surrendered the role of prophet and accepted the lesser role of opportunist politician—he became as one of the others, a little less than the others.