Biden struggles to land lines as Trump lies in first presidential debate

President and ex-president spar over abortion and tax policy as CNN moderators fail to factcheck Trump

• Biden's poor performance and Trump's lies: four key takeaways from debate

Donald Trump and Joe Biden sparred over abortion and tax policy in the first presidential debate in which the president struggled to land his lines and the former president repeatedly made false claims about January 6, the national debt, and that he presided over the greatest economy in the history of our country".

Biden described Trump as the worst president in American history", citing a consensus of historians. Trump responded by extolling the historic virtues of his tax cuts. Nobody has ever cut taxes like us. We cut taxes four times," Trump said.