Elon Musk's suddenly icy relationship with Republicans portends poorly for Tesla and EVs in general. Why it matters: Musk's alliance with President Trump was once seen as a boon to Tesla's prospects — but his public criticism of the GOP's "big,

Elon Musk left Washington D.C. last week making triumphant yet dubious claims he had achieved most of the federal headcount and spending cuts he’d set out to impose. Scarcely back in his role leading Telsa,