US not to allow nuclear weapons in Iran -- Trump / Duda urges US to deploy nuclear weapons in Poland -- newspaper / I'm at the UN summit on nuclear weapons. This is what I learned on day one / The truth about US nuclear weapons on UK soil is becoming clearer / Direct Russia-US clash to entail massive use of nuclear weapons -- expert / Americans 'spank' Duda for provocative statements on nuclear weapons -- ex-judge / Calls for joint use of nuclear weapons with US dangerous -- ICAN / Poland ready to host US nuclear weapons, Duda says / US to submit to Security Council its draft resolution on nuclear weapons in space