Sober warnings: Defense Secretary James Mattis was flanked by Joint Chiefs Chairman General Joseph Dunford on Sunday when he explained that any more threats against the US or its allies by North Korea would be met with a 'massive military response' 

Trump Says U.S. May ‘Stop All Trade’ With Nations That Support North Korea

A staggering 90% of all North Korea’s trade is done with China.

China has thus become the great enabler of the world’s most despotic regime.

It is Chinese money that pays for much of North Korea’s military and it is therefore Chinese money that de facto fuels North Korea’s nuclear weapons program.Трамп предрекает экономических крах ...

China’s President Xi is said to be ‘considering’ various economic punishments against North Korea that go beyond the sanctions, like banning the estimated 100,000 North Korean labourers currently working overseas or cutting North Korea’s lucrative exports like textiles and clothing.North Korea warns U.S. it's ready to use nuclear weapons 'any time'

But if Xi really wants to strangle Jong-un’s nuclear aspirations then he should cut off his crude oil supply.

No modern military can function without oil; it is the very lifeblood of any armed force.

This dramatic move, which would need Russia’s assistance, would also cripple North Korea’s economy and that, over time, would inevitably end Jong Un’s regime too.North Korea has a history of using creative language to express ...

Washington is going to force Beijing to put a stop to this. Because obviously, what Trump is suggesting there simply isn’t tenable for China. That choice isn’t a choice. It would mean the end of China’s growth and all the one sided trade advantages they have had for years.

It would mean possibly a revolution inside China if unemployment grows and ultimately a shooting war with the United States. Yes WW3 Trump is using his Trump card. TRADE

Kim Jong-un isn’t going to stop developing his nuclear program because nobody is actively trying to stop him.

He’s heard all the bellicose threats before and he knows nobody ever acts on them or really wants to attack him.

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The world has thus conspired to embolden this nasty piece of work and make him think he’s invincible.

But he’s not invincible.

In fact, he’s very vulnerable to an economic war, one that would deprive him of the financial power to make North Korea a fully-fledged nuclear power.

Total trade between the US and China topped nearly $650 billion last year, including exports of about $170 billion and imports of about $480 billion, the vast majority in goods, according to the Office of the US Trade Representative. That makes China the United States’ largest trading partner in goods.
Sunday morning, Trump condemned North Korea’s claimed nuclear test in a series of tweets, calling Pyongyang’s words and actions “hostile and dangerous” and saying “talk of appeasement will not work.”
“North Korea has conducted a major Nuclear Test. Their words and actions continue to be very hostile and dangerous to the United States,” Trump wrote, adding that Pyongyang “has become a great threat and embarrassment to China, which is trying to help but with little success.”
“South Korea is finding, as I have told them, that their talk of appeasement with North Korea will not work, they only understand one thing!” the President wrote.
Later Sunday morning, Trump again teased the possibility that the US would attack North Korea.
As he left church, Trump was asked, “Will you attack North Korea?”
Trump answered, “We’ll see.”

Trump says US and China can 'both benefit or we can both go our ...

Here are some excerpts from a BofAML note we cited:

NK’s trade data are very useful for understanding the geopolitical outlook for the region. As Chart 1 suggests, repeated sanctions since 2006 have not curbed NK trade. Rather, they have simply shifted flows to China, which now accounts for about 90% of NK trade. Of course, there is likely a lot of unreported trade, but given China and NK’s long border, most unreported trade is also probably with China. Note that data on the price of rice and the black market value of the NK Won also suggest sanctions have yet to impose significant pain (Chart 2).

ChinaNK

Finally, note that trade is vital to NK since it accounts for 20% of GDP and NK imports virtually all of its oil.

Trump's Twitter diplomacy is unnerving people: Analyst 5 Hours Ago ...

In our view, this suggests three things. First, it is not necessarily true that sanctions “don’t work” since tough sanctions have never been attempted. Second, given Korea’s dependence on trade for oil and other vital products, a shutdown of trade would cause a severe recession once inventories are run down. Third, the key to making sanctions work is full cooperation from China.

Trump has been a critic of China his whole car-rear and  can now leverage economic power over China and test them through the North Korean crises.  Trump would jump at any chance to beat down and humiliate the Chinese leader  and restore prestige to the USA.

President Trump is not the problem, as his many detractors persist in suggesting.

He is neither doing nor saying much different to any of his predecessors on this issue.

No, President Xi is the problem.

He has the power to solve this crisis once and for all. If he does not then Trump will use it as an excuse to punish them and show who has is playing with TRUMP cards

of the tweet about Chinese expansionist policies is definitely not our ...