Analysis: expect fewer fireworks in final presidential debate

President Donald Trump and Joe Biden are preparing for the second and final debate, which will cover six topics ranging from the Covid-19 response to climate change. FRANCE 24 foreign affairs editor Philip Turle says while viewers can expect fireworks, a new microphone mute button means there will be fewer than in the first round. Trump is trailing in recent polls, and behind in swing states he won in 2016.