Two men who both are reaching out to unite their countries around things other than rivalry on the world scene, would seem to bode well for peace. There isn’t a lot that makes sense for them to feud over today.
One thought was reminded to me recently: North Korea. It’s still being run as a hell hole, though little leaks are beginning to appear. Is Russia still pledging to defend that tinpot? Maybe Russia would like to invite him and his minions to be spirited away to a retirement on some deluxe Russian resort, and let North Korea go to be embraced by South Korea.
Putin is a nationalist. Trump is a nationalist. Where their respective countries’ interests coincide, there is no reason for them not to want to cooperate.