Billionaire Elon Musk joins Donald Trump at US election campaign rally
Billionaire Elon Musk, who is the US's richest person, jumps around on stage in support of Donald Trump at one of his election campaign rallies.
Moderator - Tomas Kauer
Billionaire Elon Musk, who is the US's richest person, jumps around on stage in support of Donald Trump at one of his election campaign rallies.
