In the middle of his Butler, Pennsylvania rally Saturday, former President Trump called up one of his most powerful allies — Elon Musk, CEO of Tesla and SpaceX, and owner of X. Why it matters: This was Musk's first time at a Trump rally since the night of the shooting,

Billionaire Elon Musk joined GOP nominee Donald Trump on Saturday at his second rally in Butler, Pennsylvania, and promptly made reference to an alt-right conspiracy movement called “Dark MAGA.”“As you can see,

Right-wing tech billionaire Elon Musk erupted on stage at Donald Trump's Pennsylvania campaign rally Saturday night, jumped up and down and touted a new "Dark MAGA" in a wildly physical presentation. "Fight, fight, fight!" roared Musk, sporting a T-shirt reading: "Occupy Mars."