Frank Vandersloot

Republican mega-donor Frank VanderSloot backed a Donald Trump rival in the US presidential primaries, but despite strong reservations, he says he's now ready to support the controversial tycoon as the "best bet" to defeat Hillary Clinton.

Frank VanderSloot is a businessman, not a famous public figure. But such is his financial and political clout that he has essentially conducted job interviews with many Republican candidates for the most powerful job in the world.

Republican mega-donor Frank VanderSloot backed a Donald Trump rival in the US presidential primaries, but despite strong reservations, he says he's now ready to support the controversial tycoon as the "best bet" to defeat Hillary Clinton.

Frank VanderSloot is a businessman, not a famous public figure. But such is his financial and political clout that he has essentially conducted job interviews with many Republican candidates for the most powerful job in the world.