So let's just call it like it is: he's defecting.
Less and less, at this point, are his actions about government accountability and civil rights, and more and more about damaging US national security for the benefit of its (completely NON-free) adversaries
I hope he relishes his unbounded freedoms in Russia, since it's a place of government/defense/intelligence-agency transparency, a bastion of free speech & democracy, and a place where journalists are not routinely murdered. At least he's out of the tyrannical USA.
Oh, wait...