You know many of them already, including Elon Musk at No. 1, per 'Forbes' annual billionaires ranking
                                
                                
                                    (Newser) -
                                    If Forbes is trying to make us feel bad for the world's billionaires, it's not really working. The magazine notes that, collectively, this group is now worth $400 billion less than they were a year ago, thanks to the ongoing pandemic, tepid markets, and war—but 1,000...