Is Another US-Russia Arms Race Looming?

Russia has followed the US in pulling out of the Reagan-era Intermediate-Range Nuclear Forces Treaty (INF) and said it's working on new missiles. Was the move expected - and will it lead to a new arms race?

Also in the programme; why French police still use rubber bullets, and how a treaty signed in the Iranian city of Ransar has been conserving the world's wetlands for decades.

(Photo: Russian President Vladimir Putin talks to officers as he attends Russias large-scale military exercises at Donguzsky Range in 2015. Credit: Getty Images)