Israeli soldiers take part in a general military exercise near the border with Lebanon. Photograph: Jalaa Marey/AFP via Getty Images) Israeli prime minister Binyamin Netanyahu says diplomacy has failed to stop Tehran from developing its nuclear capabilities and he will do “whatever we need to do to defend ourselves” against Iran. Talking to Sky News, he rejected US attempts to limit Iran’s nuclear capabilities through dialogue. “I don’t think that diplomacy by itself will work. I think diplomacy can only work if it’s coupled with a credible military threat or the willingness to apply the military option if deterrence fails,”...