History hasn’t been too kind to third parties, independents or write-ins that seek to shake up the political scene, CNN’s Harry Enten writes. Here’s what the polls say about Musk’s plans.

The most radical thing about Elon Musk this month is his staggering unpopularity. Public opinion of the world’s richest man fell by 66 points since his foray into politics, according to a CNN poll released Thursday.