Next week’s presidential election isn’t just a referendum on Donald Trump and Kamala Harris. It’s also a measure of the influence the world’s richest man wields over American democracy.

Elon Musk, the South African-born tech and business titan, has spent at least $119 million mobilizing Trump’s supporters to back the Republican nominee. His social media platform, X, has become a firehose of pro-Trump propaganda. And he’s playing a starring role in Trump-style rallies in critical battleground states.