Chelsea Clinton was named to the board of Expedia — you know, because all of her experience in the technology and cybersecurity field. In her newly named position, Mrs. Clinton will get $45,000 a year in cash, plus $250,000 a year in stock vesting over three years. What Mrs. Clinton’s responsibilities will be at the online travel-booking company is unclear — the company’s financial filings don’t detail. Expedia’s chairman, billionaire Barry Diller, is a longtime Clinton ally and prolific fundraiser for the political family. During the 2016 presidential campaign, Mr. Diller and his wife Diane von Furstenberg hosted a “Conversation...