President Vladimir Putin appears to be in firm control of Russia today, but in order to maintain it in the years ahead, he will have to manage at least three primary challenges.

Russia’s threat to deploy tactical nuclear weapons in Belarus has raised the specter of a new nuclear standoff with the United States and its allies in Europe. It also draws new attention to how such…

Nigeria is experiencing a dramatic upsurge in everyday violence, including abductions, religiously motivated attacks, assaults by armed gangs, and police brutality. Authorities are failing to contain…