[Voters in Africa’s most populous country and largest economy cast ballots for a new leader in the Feb. 25 Nigerian general elections. Here are answers to some essential questions about the vote]

Without Paik’s herculean effort, South Korea as we know it today—a vibrant, capitalist, and liberal democracy—wouldn’t exist.

Each Friday, I look at what the presidential contenders are saying about foreign policy. This Week: Many Republicans have lost faith in their party’s traditional embrace of internationalism.

Each Friday, I look at what is happening in President-Elect Joe Biden’s transition to the White House. This week: Biden’s nomination of General Lloyd Austin to be secretary of defense raises question…