Col MacGregor: The military establishment that Putin and his government built in the last 15 to 20 years was designed preeminently to simply defend Russia. It was not designed for any offensive warfare against any neighbors. And I think that we failed to see that the reduction in the size of the force and the change in its orientation meant something very different from what it meant in Soviet times or even in the Tsars period. Mr. Putin went in to Eastern Ukraine with a set of assumptions that were not valid, but at the time he thought they were....