Putin was head of the old KGB. He’s probably atheist or at least agnostic. This trip to Iran may have been “educational” in that he may now realize that those Iranian mullahs must NOT get nuclear weapons at all costs!............
I don't know about that...maybe he realizes that a Iran-Chinese partnership is far more dangerous to Russia than if he jumps in bed with Ahmanutjob himself. Iran is just a pawn to China and/or Russia right now. They'll encourage and support Iran in their quest to wreak havoc with the west, even if that causes a major war. Either Russia or China will sit that one out (depending on who's the #1 friend on Iran's list) and then swoop in before the dust settles. They'll eliminate Iran once and for all and reap the dirty, bloody rewards. One big problem with that scenario...unless you're a raving lunatic (Ahmanutjob) what is there to gain with that result? There could nuclear fallout, devastated countries and dire consequences everywhere. Who wins in that case?
Putin has proclaimed his Christian faith.
http://www.huliq.com/17780/russia-putins-christian-faith-raises-questions
Putin is Russian Orthodox.