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."

U.S. President Donald Trump is not interested in talking with his former ally Elon Musk, amid a bitter feud over the president's sweeping tax-cut bill, a White House official said on Friday, adding that no phone call between the two men is planned for the day.