Why Won’t Russia and Ukraine Negotiate?

Questions about whether and how the international community should push Ukraine and Russia into negotiations have thus far been vague as to the structure of negotiations. Wars of territorial conquest have become rare.
It is even less common for nuclear powers to find themselves in situations of conventional vulnerability relative to the victims they’ve determined to invade. But peace conferences are extraordinarily complex affairs, and it’s worth thinking about some of the negotiating models available to us for ending the conflict.
The Vietnam War and the Paris Peace Accords
The Paris Peace Accords, resulting from several years of negotiation between the United States, North Vietnam, South Vietnam, and the Communist resistance within South Vietnam, bear some superficial resemblance to the situation in Ukraine.
The United States sought to extricate itself from Vietnam while ensuring the sovereignty of its client. This isn’t a perfect analogy for the Russia-Ukraine War, but there are certainly echoes; the US wants the war to end but wants …