Earlier quoted context omitted.
Russia attacking the rest of Europe is just fear mongering. Unfortunately this absolutely not the case, as applies to the Baltics and Moldova. The threat to those countries is very real.
What is the evidence for that?
Basically Putin's whole idea is that any place the Russian Empire (or its temporary proxy, the Soviet Union) sat on at one point or another in the past 350 years is fair game for re-occupation, vassalization and/or intimidation of some sort today.