BARI WEISS —editor, Times columnist, Twitter piñata, extrovert, and now author—began the launch party for her first book, How to Fight Anti-Semitism, with an introduction. Standing by the window in a private room of the Lambs Club on the night of September 10 in a yellow-on-black floral-print dress from Saks, she turned to her aunt and said, “Aunt Betty, meet Shari Redstone, queen of all media!”
“I’m so proud of her,” said Redstone, the new chair of ViacomCBS. The daisy chain that led to Redstone’s invitation exemplified the particular mix of guests who made this night different from all other nights. Redstone and Weiss met at a dinner thrown by Richard Pleplerthe former HBO chief executive and patron of the arts—and his wife, Lisa. The Pleplers met Weiss, who is…