Last updated 5:37AM ET
March 28, 2015
PRI's The World: 03/27/2015 Nigerians head to the polls this weekend. What's at stake for Africa's most populous nation? Plus, Mexican immigrants to the United States have trouble when they try to return home. Also, we hear about America's strange history of vaccinations, and George Washington's key role.
PRI's The World: 03/26/2015 What will Saudi air strikes in Yemen mean for the volatile mix that is the Middle East? Also, we hear how the Germanwings crash investigation focuses new attention on post-9/11 rules about cockpit safety. Later, musicians in the Nile River basin are helping their region tackle its drought problems.
PRI's The World: 03/25/2015 Today, we start with the latest on the crash of a Germanwings Airbus A320 on Tuesday. Also, new Americans find a path to prosperity through California's gardens. Later, DJ Edu tells us about his continent-wide search for the best nightclub in Africa.
Nigeria votes in presidential poll Voters in Africa's most populous nation, Nigeria, are taking part in presidential elections against the background of militant Islamist violence.
Knox and Sollecito cleared of murder Amanda Knox and Raffaele Sollecito are acquitted by Italy's top appeals court of murdering British student Meredith Kercher in 2007 - the final ruling in the case.
Duo begin year-long space trip US astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko arrive for 12-month tour of duty on the International Space Station.