Polymarket told CBS News that it is auditing its promotional content after a Wall Street Journal investigation found the prediction market paid online content creators to produce videos that the newspaper said falsely showed customers winning a total of $1.9 million. The WSJ's findings, published Saturday, are based on interviews with social media content creators and an analysis of more than 1,100 TikTok videos from 10 creators. Most of the videos featured phony trades executed on dummy sites