Merkel: EU Can't Stem Refugee Crisis Without Turkey

German Chancellor Angela Merkel says a joint EU effort is needed to tackle the crisis, and that Turkey plays a "key role". Volkswagen is ordered to recall 2.4 million diesel cars. Plus, our health expert and Sierra Leone correspondent Umaru Fofana answers listeners' questions on Ebola, after the virus is found to linger in semen for nine months.

(Photo: Syrian refugees arrive on the Greek island of Lesbos after crossing the Aegean sea from Turkey. Credit: AFP)