With zero emissions and water as a by-product, are hydrogen-powered trains the future? A British court rules U.K. arms sales to Saudi Arabia are unlawful. We look at global barter trade.
The team
David Brancaccio
Host
Victoria Craig
Host, BBC
Stephen Ryan
Senior Producer, BBC
Jonathan Frewin
Producer, BBC
Daniel Shin
Producer
Brian Allison
Engineer
Meredith Garretson Morbey
Senior Producer
Erika Soderstrom
Producer
Rose Conlon
Producer
Alex Schroeder
Producer