Each Friday, I look at what the presidential contenders are saying about foreign policy. This Week: Donald Trump gave his most detailed interview on foreign policy yet. He made some dubious claims bu…

Russia's struggles in Ukraine reveal a pivot to Asia is still the right strategy.

Against a backdrop of growing calls for ethnically based separatism, including in former President Olusegun Obasanjo’s native Yorubaland, the former president in a speech laid out the arguments for maintaining Nigeria’s unity—though not at any cost. Speaking June 9 in the Yoruba heartland city of Abeokuta, where he lives in retirement, Obasanjo argued that Nigerians will fare better staying together: “it is better for Nigeria to remain as one indivisible nation than for each tribe to go its separate way.”

The liberal international order is more resilient than its critics recognize.

The U.S. likes talking about the dominance of the dollar. But don’t short-change China’s current dominance of manufacturing trade. Trade imbalances need to be taken seriously again.

The Bank of Japan (BoJ) is widely expected to end yield curve control. But Japanese yields will remain low, and foreign bonds will remain attractive to those Japanese investors who don’t have to hedg…