Elon Musk escalated his feud with President Trump, announcing that he would be backing one of the commander in chief’s biggest foes in congress, Rep. Thomas Massie — the libertarian-leaning House lawmaker who Trump has vowed to see defeated in the midterm election. Musk signaled he would donate to the Kentucky Republican’s 2026 reelection campaign on X when he responded “Me” to a post asking who would be backing Massie’s congressional bid. Trump, meanwhile, had pledged to support whichever candidate runs in the primary against Massie, who the president lambasted as a “loser” and “Third Rate Congressman” in an online...