Tesla CEO Elon Musk is being investigated for his now-deleted post questioning the assassination attempt against former president Donald Trump. Musk’s post caught the attention of the Secret Service after he questioned the lack of attempts on the lives of President Joe Biden and Vice President Kamala Harris. “And no one is even trying to assassinate Biden/Kamala,” Musk wrote on X. The X owner then followed up with a reply to his own post, writing: “Well, one lesson I’ve learned is that just because I say something to a group and they laugh doesn’t mean it’s going to be all...