Trade war tiffs, Amazon cuts back, McDonald’s lemonade: Business news

One of the president’s biggest supporters is publicly feuding with one of his top advisers.
Over the weekend, Tesla (TSLA) CEO Elon Musk took to his social media site, X (formerly Twitter), to criticize President Donald Trump’s tariff policies — and Peter Navarro, the administration’s top trade adviser, who is widely believed to be their architect.