From the BBC World Service: Japanese voters will give their verdict on the government of Sanae Takaichi this weekend after Japan's first female prime minister called a snap election just months into her first term. How is the economy there shaping the election? Plus, Cuban President Miguel Díaz-Canel says his government is trying to solve an energy crisis exacerbated by U.S. sanctions. And we check in with a company on a tiny Scottish island that produces an essential piece of Winter Olympics equipment.