Who was in the Presidents office when Putin invaded Ukraine, and why did he not invade before that?

Now we have China threatening to invade Taiwan? What has the Ukraine nightmare cost us as a nation, when it was avoided in the previous four year prior to the current administration. What are we facing now if China invades Taiwan?

Funny how those things happen.

Who was in the Presidents office when Putin invaded Ukraine, and why did he not invade before that?
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