Last summer, the situation was dire for Meta’s Oversight Board, an experimental court of journalists, analysts and experts empowered to investigate Meta’s handling of controversial posts. Meta, its sole funder, had privately threatened to pull back support, pushing the board to cut costs or seek new sources of revenue.The Oversight Board had tried for years to find new clients, approaching YouTube, TikTok, Pinterest and a host of other tech companies without much luck, according to half a dozen ...