Did Trump try to get control of nuclear weapons and use one against Iran?

Former CIA analyst Larry Johnson has made an explosive claim. Johnson, who blogs and commentates on national security matters, claimed that Donald Trump wanted to use the nuclear codes against Iran but was stopped by General Dan Caine, the Chairman of the Army's Joint Chiefs of Staff. The incident happened at Saturday's emergency meeting of the Pentagon, Johnson claimed.

https://www.hindustantimes.com/world-news/us-news/did-trump-want-to-use-nuclear-codes-in-iran-did-dan-caine-stop-him-ex-cia-analysts-claim-fact-checked-101776723007694.html?

Did Trump try to get control of nuclear weapons and use one against Iran?
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