WASHINGTON — The clamorous end to President Trump’s alliance with Elon Musk is increasing pressure on the White House over its signature legislation known as the “ One Big Beautiful Bill Act ” — a bill under intense scrutiny in the Senate that Musk wants killed over its price tag, but that Trump views as critical to the success of his presidency.

Here's what to know about the feud between Donald Trump and Elon Musk over the president's "Big Beautiful Bill."

Elon Musk and Donald Trump hurled insults at each other all day on Thursday after the president’s former ally attacked the bill containing his entire legislative agenda. And though Musk had somewhat backed off his hardline stance a few hours later,