Elon Musk’s friendship with Sergey Brin was broken by alleged affair

Elon Musk engaged in a brief affair last fall with his wife Sergey Brinprompting the Google co-founder to file for divorce earlier this year, ending the tech billionaires’ long friendship, according to people familiar with the matter.

Their fallout is one of a number of personal problems Mr. Musk has faced himself while juggling business challenges, including production disruptions at Tesla and a court battle over his desire to withdraw the $44 billion bid Twitter Inc.