Multiple Republican lawmakers appeared split as the feud between President Donald Trump and Elon Musk, one of the president’s biggest allies, escalated into an all-out social media war on Thursday. At the heart of the breakup is their disagreement over Trump’s “big,

The billionaire's criticism could embolden Republicans who are considering voting against the tax and spending bill.

But Trump and Musk are kindred spirits in other ways. They're experts at generating attention who enjoy stirring the pot by riling up their opponents. Each has sought more power t