【Show up Yukari Taguchi】

It's amazing (and truly terrifying) the things Donald Trump can Show up Yukari Taguchiaccomplish with less than 140 characters to work with.

On Sunday morning the Commander/Tweeter/Golfer-In-Chief fired off several tweets about North Korea's Kim Jong-un — who he now apparently only refers to as "Rocket Man" or "Little Rocket Man" now — and casually called three former presidents failures like it was NBD.

*nervous laughter*

Trump kicked off the day explaining to Twitter users he told Secretary of State Rex Tillerson he's "wasting his time trying to negotiate with Little Rocket Man."

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Instead, he told Tillerson to save his energy, assuring everyone "America would do what has to be done." Since negotiating doesn't seem to be in the cards for Trump, that ominous threat sounded pretty terrifying.

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Some might see using Twitter as a place to lay out U.S. diplomatic policy as alarming. But the day was still young.

Hours later — while Trump was presumably en-route to the President's Cup Golf Tournament at New Jersey's Liberty National Golf — he tweeted again, reiterating the threat to North Korea and claiming that "Being nice to Rocket Man hasn't worked in 25 years."

He then went on in the same tweet to declare that his past three predecessors — Barack Obama, George W. Bush, and Bill Clinton — all "failed" to deal with Kim Jong-un, but promised he would not.

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Confused by Trump's constant need to discuss North Korea on social media, and petrified of his apparent lack of concern over a potential nuclear war, people responded to Trump's tweets accordingly.

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And naturally, some couldn't resist calling out the fact that Kim Jong-un hasn't even led North Korea's government for 25 years — Kim Il-sung reigned until 1994 and Kim Jong-il took over until 2011.

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While there's no way to know what compelled Trump to publicly address Kim Jong-un again,he may have felt the need to slam Clinton, Bush, and Obama after seeing they were having a blast at the President's Cup without him. Sad!

But Trump, just for future reference: If given the choice to ignite a nuclear war via Twitter or abandon your presidential duties to hit the links, I think it's safe to say America would be happy to see you on the golf course.