What's behind the Russia-China virtual summit?

Presidents Vladimir Putin and Xi Jinping have held a virtual summit where they pledged to cooperate on security and trade. They call their relationship a model for the 21st century but the US and its allies are suspicious. So, what's behind the summit? And is this the start of a new Cold War for global leadership? Join host Imran Khan. With guests: Glenn Diesen - Professor of International Relations at the University of Southeast Norway. Steve Tsang - Director, SOAS China Institute. David L. Phillips - Director, Program on Peace-building and Rights, Columbia University.