Musk Vowed to Back GOP Before Assailing Tax Bill, Johnson Says

Elon Musk had promised to help reelect the House Republican majority just a day before savaging the party’s centerpiece tax-and-spending package and suggesting he would work to oust lawmakers who supported the legislation, House Speaker Mike Johnson said.

Johnson described the tech billionaire’s pledge to reporters Wednesday as party leaders were still reeling from a social media fusillade Musk launched Tuesday against Trump’s massive fiscal package. The speaker said he had called the Tesla chief executive officer Tuesday evening but Musk didn’t return the call.

Elon Musk with Donald Trump in the White House Oval Office.

Photographer: Francis Chung/Politico/Bloomberg

Musk lashed out at the measure in a series of posts as a “disgusting ...