4. Abandon Ukraine and make a deal with Russia against China. [This is Trump's plan and it's as stupid as it sounds.

  that the only way to beat Russia is to send US troops to fight Russians, and there is no universe in which the US public will support that.

This is really Trump's plan? And what makes you think Americans would support sending US troops to defend East Asia if they're not willing to fight for Ukraine? And what makes you think Russia will sit there idling while the US fights China in the pacific?