Biden-Trump duel: The United States will have its first rematch between two presidents for the first time since 1912. The confrontation will deepen the country's serious political and cultural divisions for the next eight months.
At 81, Biden is already the oldest president in US history, while Trump, 77, faces decades in prison as a defendant in four criminal cases. Despite his harsh words, the road ahead will not be easy for any of the presumptive nominees. The elections will be between two imperfect and unpopular presidents.