A public feud between President Donald Trump and his on-again, off-again ally, billionaire Elon Musk, reignited this week after an apparent truce lasted less than a month.

The feud between Elon Musk and President Donald Trump heated up again Tuesday after the billionaire slammed Republicans over the president's spending bill.

ToplineElon Musk on Wednesday suggested that President Donald Trump's criticism of subsidies received by his companies was wrong, as he continued to mock supporters of the president’s signature spending bill,