What do America’s biggest adversaries have to gain–and lose–from the US presidential election in November? The 2024 Donald Trump vs Joe Biden rematch will be the first time in US history that candidates from both major parties have sat in the Oval Office. So Russia and China have a pretty good idea of what a second term from either candidate might look like, as well as a vested interest in manipulating the outcome in their favor, Ian Bremmer explains on GZERO World.