On Wednesday, the House of Representatives’ passed a bill with bipartisan support that would force parent company ByteDance to either divest — to sell off — TikTok or see the app banned from U.S. app stores. But could such a divestiture happen? And would TikTok still be TikTok? Also on the program: The stock market is on a tear. Zanny Minton Beddoes, editor of The Economist, calls it “rational exuberance.”