In his first public comments on a 30-day ceasefire proposed by the United States and backed by Ukraine, Russian President Vladimir Putin said that he was in favour of it but had "serious questions" about how it would work. Washington has called for Russia to accept a ceasefire without preconditions, but Putin listed a number of obstacles in the way. Professor Joseph Siracusa, dean of global futures at Curtin University, shares his thoughts with CNA’s Asia Now. Subscribe to our channel here: