What perspectives did Dr. Sergei Markov share on peace negotiations regarding Ukraine?

Based on the clip's description, Dr. Markov, a former adviser to President Putin, emphasized the importance of including appropriate parties in Ukraine peace negotiations while criticizing President Zelensky's exclusion from discussions. He highlighted the need to open diplomatic channels between the U.S. and Russia to facilitate peace, placing the conflict in historical context of their relations. Dr. Markov also addressed challenges created by European leaders who appear to support continued conflict rather than resolution through diplomacy.