He’ll have to go through Poland, first, and this ain’t 1939.
No, but it ain't 1945, either.
The annexation of Eastern Galicia and the Volhynia by Stalin is the root of the Ukranian problem. Lemberg belongs in Europe, whether as Polish Lwow or a free L'viv.
With Europe practically disarmed and the Obama leading it into practical paralysis, methinks Putin is not much concerned.