Doesn't mean that we should be involved in it.
We have more important things right now to take care of, for example our border."
We should oppose Russian imperial ambitions for the same reason we contained Soviet expansionism in the Cold War -- because, by their nature, empires feed off their conquered territories.
When one "meal" is finished, then they are hungry for the next, and so on.
If empires are contained, as we did in the Cold War, they are forced to feed off themselves and so weaken and collapse.
A Russian victory in Ukraine will increase Russia's population and economy by roughly 1/3, making their next victims that much easier to gobble up.
It's not a trivial matter of "border dispute".
FreeReign: "We can't afford to be involved in Ukraine."
No domestic political problem is being made worse by our aid to Ukraine, and no extra money is required to solve them.
The only thing our political problems need is the political will to face and correct them.
It's not a matter of money, it's a matter of voters.