How can we balance all of our security concerns if terror attacks can come from pilots themselves? Then: space-junk laser hunters. Plus: a divided electorate in Brazil and Bosnia, and our fragrance series continues.

Can diplomacy prevent further escalation between Saudi Arabia and the Houthis?
58:56

Can the Gulf restore trust in its aviation industry?
58:49

The Nobel Peace Prize: With a world in conflict, who are the frontrunners?
58:45