Trump's loose nuclear talk

The credibility of US President Donald Trump is such that one often does not know whether to laugh or to cry over his statements, which are frequently couched in vagueness and bravado.

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During the entire Cold War period, neither the United States nor the Soviet Union used the N-word (nuclear), at least in public, to scare each other. Even during the Cuban Missile Crisis, arguably the tensest moment in modern history, leaders avoided throwing that word around. Yet Trump wields it casually, as if unable to distinguish weapons capable of annihilating civilisation from the guns American school students bring to campus to perpetrate occasional mayhem.