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.

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

Momentum for the landmark global minimum tax agreement adopted last fall has stalled. Countries risk losing the best opportunity in decades at international corporate taxation reform if they do not p…

Every summer Friday, we suggest foreign-policy-themed movies worth watching. This week: films inspired by actual heroes.