Visitors at Independence Mall in Philadelphia react to the Trump-Musk breakup feud.

After long months when President Donald Trump and billionaire Elon Musk appeared united in their chaotic mission to remake Washington, their relationship imploded this week. It began with Musk complaining about the centerpiece of Trump’s legislative agenda, which the president at first took in stride.

Eventually, Trump let slip that he was disappointed in his former adviser, prompting Musk to unleash a flood of insults and taunts

AP video by Tassanee Vejpongsa