Elon Musk posted a poll on X on Thursday asking followers whether they support the idea of a new political party to take on the Republicans and Democrats. Why it matters: The richest man in the world is publicly feuding with the most powerful man in America, whom he spent record-setting sums to elect. We're about to find out what Musk is prepared to do about it. Driving the news: Trump told reporters in the Oval Office on Thursday that he was "disappointed in Elon" for coming out against his "Big Beautiful Bill." Trump speculated it was because the bill...