Our vulnerability to Russia or any other foreign power is directly related to how divided, partisan, dysfunctional our political process is. That's the thing that makes us vulnerable.
The party which is out sees nothing but graft and incapacity in the party which is in; and the party which is in sees nothing but greed and animosity in the party which is out.
If the Socialism is Authoritarian; if there are Governments armed with economic power as they are now with political power; if, in a word, we are to have Industrial Tyrannies, then the last state of man will be worse than the first.