"If this insane spending bill passes, the America Party will be formed the next day," Musk wrote in an X post on Monday.

A marathon vote series is underway in the Senate after the chamber debated President Trump's massive tax bill into the wee hours of the morning as Republicans work to pass the centerpiece legislation of Mr.

The Senate is reading through the entire text of the 940-page "One Big Beautiful Bill Act," continuing into Sunday afternoon, as Republicans try to meet President Trump's self-imposed July 4 deadline.