WHITE: The Trump coalition is beginning to fracture, and in a lot of ways, there is historical precedent for this. Trump and Grover Cleveland have a lot in common besides serving non-contiguous terms as president.

Here's what it would take for Elon Musk to launch a third-party effort to represent what he called "the 80% in the middle."

The billionaire says the America Party aims to disrupt U.S. politics, but with no candidates yet and major ballot hurdles ahead, its future remains uncertain.