That so much power over the U.S. nuclear arsenal is placed in the hands of one man - any man - bodes ill for humanity, while completely undermining the war power granted to Congress in the U.S. constitution.

Even though [Donald] Trump is reported to not read very much and to have a limited range of experience, he is often certain that he is right and boldly asserts the correctness of his positions.

[Donald Trump] said on MSNBC's Morning Joe program, "My primary consultant is myself." While this may make consensus easy, the range of perspective is dangerously narrow.

[Donald] Trump's narcissism seems to be reflected in his need to be liked and treated positively.

Donald Trump and the Bomb are nearly the same age. Which of them will prove to be more destructive remains to be seen, but in combination they are terrifying.

Sooner or later there will be a nuclear 9/11 [by Islamic terrorists] in an American city or that of a US ally... A terrorist nuclear attack against an American city could take many forms. A worst case scenario would be the detonation of a nuclear device within a city. Depending upon the size and sophistication of the weapon, it could kill hundreds of thousands or even millions of people.

That the man in question should be Donald Trump, with all his personal flaws, challenges the United States and the world as never before in human history.