Former President Donald Trump pledged during a recent campaign stop in Las Vegas to exempt service worker gratuities from the federal income tax — an idea that many Trump supporters took to advertising by posting social media images of messages like “Vote Trump 2024 For No Tax On Tips!” written on their restaurant receipts. When Larry Kudlow on Fox Business asked about the policy, Sen. Tommy Tuberville (R-AL) appeared not to quite understand the proposal, even as he lauded Trump for coming up with it. “I think that’s awesome,” said Tuberville. “We’ve all tipped before.” Want more breaking poli…