I am not convinced that Donald Trump has spent the last 30 years with any reflection or introspection, whatsoever, to make a decision in 30 seconds with US nuclear codes, in a way that does not endanger our very country.
Nor would he listen to someone who has. The Donald listens to himself, he has a very good brain.
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“Hayden, who also served as director of the NSA and CIA under both Democratic and Republican presidents… explained that if a President Trump wanted to use nuclear weapons, he could use nuclear weapons. ‘It’s scenario-dependent,’ Hayden said. ‘But the system is designed for speed and decisiveness. It’s not designed to debate the decision.’
https://www.yahoo.com/tv/joe-scarborough-says-donald-trump-asked-three-171548781.html
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“I spent 30 years getting ready for that decision that took 30 seconds.” – General James Mattis, US Marines
“Your spiritual path is much … of your own choosing. Make sure you don’t dismiss this as something of idle interest or not that important… You can sometimes put things on the spiritual level behind you, and the problem is then we endanger our very country.”
https://www.usna.edu/Ethics/publications/lectures.php
“Our country takes very seriously any idea that we would violate the law of war or endanger innocent people without very, very high regard for their lives.”