How does the election work? Will Biden or Trump win?

The money trail tells you who is likely to win, Reilly says. "In most cases, it's big, corporate, serious money that makes a difference [compared to smaller donations]. And the movement of the money in American politics tells you which way things are going because the big money likes to back a winner. So when it looked like Ron DeSantis was getting shaky, people were looking at what the donors were doing. Now, with Nikki Haley looking like she could potentially stay in the race to challenge Trump, a lot of focus is on how much money she has raised."…