High stakes and encouraging progress in Zambia should prompt international support.

Since the conclusion of the U.S.-Africa Leaders Summit last December, the traffic from Washington to various African capitals has been unmistakably busy. Vice-President Kamala Harris, currently rounding up a nine-day trip to Ghana, Tanzania, and Zambia, is the latest and, so far, most senior American official to jet into the region with a diplomatic pouch weighed down by goodwill, kisses, and felicitations.

On their high octane visit to Mexico City yesterday, Secretary of State Hillary Clinton and senior administration officials formally announced changes in U.S.-Mexico security cooperation that had bee…

Since the death of modern Saudi Arabia’s founder in 1953, the kingdom has been led by his sons--serving as kings, crown princes, and cabinet ministers. The crown has been passed from brother to broth…

The “law of one price” holds that identical goods should trade for the same price in an efficient market. To what extent does it hold internationally? The Economist magazine’s famous Big Mac Inde…

The “law of one price” holds that identical goods should trade for the same price in an efficient market.  To what extent does it hold internationally? The Economist magazine’s famous Big Mac Ind…