This may sound implausible but with the obozo in the WH, Russia and or China have free rein to attack US interests without fear of any reprisal. I’d bet that Obozo would quietly cheer them on.
This is no different from a school yard bully scenario. The bully pushes the weaker kid and the one receiving the bullying keeps quiet in a false hope it will not happen again.
Putin sees nobama as very weak with no will to push back. That’s his best time to make a “show” move. Its about psychological domination, but still understanding that too much will generate the ire of American citizens who will push back, ask Japan.