World's richest man, other billionaires rally around Trump after assassination attempt

Several prominent billionaires—including the richest man on Earth—took to social media over the weekend to endorse presumptive GOP presidential nominee Donald Trump shortly after a 20-year-old gunman attempted to assassinate the former president at a campaign rally in Pennsylvania on Saturday.

One of the billionaires was Tesla CEO Elon Musk, who took to the social media platform that he owns to declare, "I fully endorse President Trump and hope for his rapid recovery." The endorsement came...