However -– in a move that is likely to cause some unspoken tension between himself and Robert F. Kennedy Jr. –- Musk used ... at how svelte he looks as Santa Claus, and captioned the X pic ...

Elon Musk has picked another fight in Donald Trump’s inner circle with a Christmas challenge to Robert F. Kennedy Jr. Musk ... dressed up as Santa Claus and posing in front of a lit-up tree ...