Hope and hype of Hiroshima can’t conceal Obama’s dismal record on nuclear disarmament

Seven years ago, in the Czech capital of Prague, Barack Obama delivered his first major foreign policy speech as president. To rapturous applause, he laid out his vision for “the peace and security of a world without nuclear weapons”. It earned him that year’s Nobel peace prize.

On Friday he will bookend his two terms in office with another appeal for nuclear disarmament, this time during a historic trip to Hiroshima. No other sitting US president has ever visited the Japanese city that was razed to the ground by a...