Joe Biden speaks at the Center for Strategic and International Studies (CSIS) in Washington DC on Thursday after receiving the the Zbigniew Brzezinski annual prize. The former vice-president used his acceptance speech to criticise the Trump administration’s bluster and bullying on the international stage and zero-sum thinking. He said Trump’s approach was damaging the US’s international standing, describing the situation as disturbing • View the video at www.theguardian.com/us-news/video/2017/oct/06/joe-biden-were-walking-down-a-dark-path-under-trump-video