Nuke experts: It's not too soon to worry if Trump may use nuclear weapons against Iran and end 75 years of non-use

· *Tensions between Iran and the US have escalated dramatically in recent weeks, most notably with President Donald Trump ordering the assassination of Iranian Maj. Gen. Qassem Soleimani.*
· *Trump has vowed potentially disproportionate attacks against Iran if the country retaliates against Americans.*
· *Nuclear-weapons...