Instead of abiding by recognised International Laws the US has created a new rule book that no one has ever seen called a “Rules Based Order”. Through this unwritten, undefined system of unknown rules, the USA allows itself to be an aggressor, it allows for its own actions to go unpunished while at the same time, calls for other nations to be held accountable under the International laws it has placed itself above.
Source: A nuclear armed Rogue State is threatening Asian peace and stability – Pearls and Irritations
olddogthoughts 
Indeed there is a presumptive, often even arrogant, concept of American leadership as somehow, unless directly militarily provoked, being morally/ethically above using nuclear weapons internationally.
While Ronald Reagan postulated that “Of the four wars in my lifetime none came about because the U.S. was too strong,” who can know what may have historically come to fruition had the U.S. remained the sole possessor of atomic weaponry.
Cannot absolute power corrupt absolutely?
After President Harry S. Truman relieved General Douglas MacArthur as commander of the forces warring with North Korea — for the latter’s remarks about using many atomic bombs to promptly end the war — Americans’ approval-rating of the president dropped to 23 percent.
It was a record-breaking low, even lower than the worst approval-rating points of the presidencies of Richard Nixon and Lyndon Johnson.
Had it not been for the formidable international pressure on Truman (and perhaps his personal morality) to relieve MacArthur as commander, Truman may have eventually succumbed to domestic political pressure to allow MacArthur’s command to continue.
Today, it seems the U.S. still expects the international community to accept that an American presidency would never initiate a nuclear-weapons exchange. But how can that be known for sure, especially with U.S. foreign-policy history?
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