Professor in the department of war studies at King’s College London, Michael Clarke, told Wall Street Journal, that there’s a “degree of desperation” in Putin’s behaviour now, meaning he knows he had to “settle in for the long haul”.
Article source: https://www.huffingtonpost.co.uk/entry/vladimir-putin-how-is-the-ukraine-going_uk_63860806e4b0e4c77596e910