...we don’t know if that’s happened....
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Like the shadows on the wall of Plato’s Cave, we only see the inferences. However, those inferences (which could be wrong) are that China has bigger fish to fry and Kim has outlived his utility.
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... a family with the blood of millions on its hands...and nuclear missiles?...
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Well, sure, but he’s had to deal with the mob (blood of hundreds of thousands, anyway) and as for the missiles: Donald has implied several times that they are hyped and we not only have more, ours are larger and they work.
Besides, when has Kim actually aimed at and hit anything? He’s more an extortionist than an annihilator.
I don’t think Donald is a cowboy. He may play one on TV, but it’s usually bait for the arrogant.
YMMV
What will Trump say/do b4 the meeting to rough him up?