He's absolutely right, and it's gotten to the point now that our enemies know nothing is going to happen to them, or at least, not until so much time has passed that they will have had abundant notice and opportunity to prepare themselves.
As for NATO, I think it could be great: if we really meant to do more than treat it as another occasion for bloviating and empty threats. But I suspect one reason that the NATO countries are slow to move is that they are also probably uncertain of our commitment.
Iran and Russia have already learned that our commitment ranges from meaningless to non-existent, and that we are so undermined by domestic dissent that we are incapable of action in any case.
You make good points. Putin knows NATO will do nothing but make a little noise, especially when the country involved is not in Western Europe. Also Putin knows if we have the amount of domestic dissent here over going after terrorists that murdered 3000 Americans we’ve really got a problem trying to help other countries militarily in a situation like Georgia.