“Elon Musk returned to the White House Tuesday in a sign that tensions between President Donald Trump and the world’s richest man have thawed since a fierce split over deficit spending earlier this year fractured their once-cozy relationship,” Bloomberg reports.“Musk was invited as a guest for a gala dinner to honor Saudi Crown Prince Mohammed bin Salman, one of many business titans invited including Tim Cook, David Ellison, Marc Benioff, Bill Ackman and Jensen Huang.”