If the 2020 presidential election tells us anything, it's that there appears to be space for a major new political party.

Exceptions abound, but generally speaking, minorities and urban liberal white voters are comfortable with the Democratic Party. Rural voters are simpatico with Donald Trump's brand of Republicanism. That leaves many people across the great swath of suburbia who appear comfortable with neither.

First, some background on the travails of third-party efforts, according to this broken-down professor of American politics.