Don't worry: The "Bridgerton" writers know who the new Lady Whistledown is. A " Dan is Gossip Girl " situation, this is not. Ahead of the release of the last batch of episodes of "Bridgerton" season four, Business Insider spoke with showrunner Jess Brownell, who assured us that the writers have a plan for one of the biggest twists of this season — Penelope Bridgerton (née Featherington) is Lady Whistledown no more. Of course, you can't keep Julie Andrews down for long. After Penelope told Queen