If the U.S. will play a smaller role in European security going forward, we need to have a conversation about nuclear weapons. The current UK and French arsenals are not sufficient to deter Russia, but the big question is if the solution is to grow their stockpiles, or if more countries need to join the nuclear club.
(The fact that this is now a discussion just goes to show the shortsightedness of American isolationalism.)
At what point to we trigger a causality paradox, by increasimg the number of nuclear weapons in Europe, causes the exact escalation we are trying to avoid.
Indeed, esp given how many countries are seeing a rise in the far right