Russia's nuclear doctrine update: 'Sign of weakness,' argues veteran European politic

As Ukraine marks 1,000 days since Russia's invasion began, President Vladimir Putin has updated Russia's nuclear doctrine to consider aggression from any non-nuclear state—if backed by a nuclear power—as a joint attack on Russia. Carl Bildt, former Prime Minister of Sweden and Co-Chair of the European Council on Foreign Relations, joins CNN's Becky Anderson to explain why he believes this update is, in fact, a sign of Russian weakness. #CNN #News