The safety of Ukraine's nuclear power plants has been a concern since Russia's invasion. How far should we worry? And what are the risks of war really escalating to involve nuclear weapons? We get the view of Robert Kelley, a nuclear veteran who led the U.S.'s foremost organization on nuclear...

NATO has a responsibility to defend values - not just territory - and that should mean a no-fly zone covering humanitarian routes in Ukraine, says Conservative MP Simon Hoare. Otherwise, he tells Bloomberg Westminster's Yuan Potts and Caroline Hepker, there is a danger Russia will see the West as...