As I recall, for some years, Patriarch Kirill has been participating in talks to explore the possibility of reunification with Rome.
Patriarch Kirill seems like a holy, visionary man--and I hope we RCs through our recent leadership have not screwed up this possibility beyond redemption. As St. JPII pointed out, the Church has two "lungs," West and East, and it needs both to properly breathe.
The Russian church has shown a patient, burning faith refined by suffering under Communism. The Roman Catholic Church has suffered from laxity and aimlessness in Western Europe and America due to wealth and distraction. (But it is growing like wildfire on the front lines against Islam in Africa.
I just don’t see a common ground being formed between the liberal Vatican and conservative Orthodox.
That’s enough to preclude reunification for the foreseeable future even if all the other problems between the two churches could be resolved.
And the post-Christian West has no moral standing to lecture Russia about ethics and morality.