How Joe Biden can unleash 'Dark Brandon' and help defeat Donald Trump

US President Joe Biden abandoned his reelection bid on Sunday under growing pressure from his fellow Democrats and endorsed Vice President Kamala Harris as the party's candidate to face Republican Donald Trump in the November election. Biden, who at 81 is the oldest person ever to have occupied the Oval Office, said he would remain in the presidency until his term ended on January 20, 2025.