By Clare Duffy and Amy O’Kruk, CNN

(CNN) — An intense public feud erupted on Thursday between President Donald Trump and his one-time ally, billionaire Elon Musk, with an argument about Trump’s massive tax and domestic policy bill raging across social media and in the Oval Office.

Tensions began rising on Tuesday, when Musk blasted what Trump calls his “big, beautiful bill” as a “disgusting abomination,” surprising Republican leaders.

But the billionaire escalated the fight on Thursday when he began sharing years-old comments from Trump and other Republican lawmakers raising concerns about US government spending and the deficit.

Throughout Thursday, Trump and other prominent figures from the president and the tech leader’s respective orbits joined in. Trump even raised the idea of term

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