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Maybe he does.
Maybe Putin’s colleagues found out something interesting about Trump back in the days, and made him an offer he could not refuse - “go and become King of America, we’ll even help you a little, but you’ll serve us”.
Wild speculation, of course. But he definitely doesn’t have national interest burdening his mind in any way or manner.
P.S. If I worked in the Secret Service, I would use my telescope to watch birds fly and tree leaves wobble. Even if there was a remote weapons station turning towards my client, or a wire guided object coming in - I would hardly notice until impact.
Following through on this threat would likely result in another Arab-Israeli war.