To sign a "Existential War" treaty with a nation which is under occupation by an equal Nuclear Power would be lunacy of the highest order.
Anyone who does such a thing is not smart enough to survive as a country or civil society.
So NATO might expand again. Eventually NATO will face the reality behind Frederick the Great’s famous saying: “He who defends everything defends nothing.”
Brilliant idea. Bring NATO right to the border of the USSR, er, Russia.
You know, right next door to the justifiably paranoid sorta-fascist Russians?
...The legislation authorizes the president to provide $350 million over the next three years in military assistance to Ukraine, including defense equipment, services and training aimed at helping the country re-establish its sovereignty and territorial integrity.
WWIII coming to an open air theater near you.
"The Ukraine is weak."
I think the news agencies overemphasize the NATO angle here.
Ukraine only adopted the non-aligned status in 2010. That was under heavy Russian pressure when Yanukovich was still in power.
From 2003 to 2008 Ukrainian forces participated in Iraq operation as part of the coalition.