Elon Musk isn't the first businessman who's tried to challenge America's two-party system

Elon Musk wouldn't be the first prominent businessman to challenge the two-party system. Taylor Hill/WireImage, Brendan Smialowski/AFP, and Robert Giroux/AFP via Getty Images Elon Musk says he's launching a new party called the "America Party." It's not the first time a businessman has tried to…