Who knew a tax bill would create a rift between allies Donald Trump and Elon Musk, two of the most powerful men in the world?

Elon Musk has said that he's formed a new political party, but it's unclear what steps — if any — he's taken to do so, or how the effort might affect upcoming elections. Musk has not yet released any ...

Elon Musk said he’s launching a new political party, following through with his threat to challenge the two-party system ...