Musk's attacks on Navarro represent the most public spat between members of Trump's inner circle since the president took office in January, and show that the steep tariffs Trump announced Wednesday on more than 180 countries and territories don't have universal approval in the administration.
When asked about the feud in a briefing Tuesday, White House press secretary Karoline Leavitt said, "Look, these are obviously two individuals who have very different views on trade and on tariffs."
"Boys will be boys, and we will let their public sparring continue," she said.