The X owner's fortune ballooned in 2002 after he sold PayPal to eBay for about $1.5 billion. He entered the technosphere as a fervent supporter of green energy preaching the need to invest in ...

But not before being privy to a riotous celebration of how a clique of billionaires—the so-called PayPal Mafia—helped clinch Donald Trump’s election victory and is taking Washington by storm.