PRI's The World: 01/04/2016

Tensions are running high after Saudi Arabia executed a prominent Shiite cleric over the weekend and Iranians responded to the execution by storming the Saudi embassy in Tehran. We'll hear from someone who used to work at the Saudi Embassy in Washington, and we'll also get an Iranian viewpoint. Plus, Sweden introduces more checks on the border with Denmark. The idea is to reduce the number of migrants getting into Sweden, but for the Danes who regularly commute to Sweden, the new regulations may prove to be a giant pain. We also hear a story of Russia's female cosmonauts.