Yes, I agree that such a move on the part of NATO would be the kind of risk-taking that they presently don't do, operationally, outside of the early reconnaissance and special forces things, which is what winning the race to to parts of eastern Ukraine would have to entail. I'm not at all convinced that anyone in the US or NATO establishment has the kind of strategic, "outside-the-box" thinking that such a move would require and that Putin has shown himself to be so good at. But I am pretty certain that such a move is about the only way to actually stop Russian tanks from rolling into the Ukraine if Russia intends to send them sometime soon.