Elon Musk took another jab at President Donald Trump’s senior trade adviser Peter Navarro Tuesday, calling him a “moron” on social media as the Tesla CEO further splits from the White House’s tariffs plan.

As Elon Musk called one of President Donald Trump's top economic aides a "moron," the White House on Tuesday declared that "boys will be boys." Musk and long-time Trump trade adviser Peter Navarro have been squabbling publicly over Trump's decision to impose sweeping tariffs on most of its trading partners.