Biden hits campaign trail: US prez desperate to salvage reelection bid amid calls to withdraw from race

US President Joe Biden is campaigning to save his reelection bid amid calls from senior Democrats for him to withdraw. At 81, Biden plans campaign events in Pennsylvania before hosting the Nato summit. Facing scrutiny after a poor debate performance, Biden remains determined to defeat Trump again. Five Democratic lawmakers urge him to withdraw, but Biden insists on his capability to serve another term.