White House staff warned not to place bets on prediction markets BBCWhite House Warned Staff Not to Engage in Insider Trading Amid War With Iran The New York TimesWhite House staff received email warning them not to place bets on prediction markets, officials say CBS NewsWhite House Warns Staff on Insider Trading Amid Iran War Bets Bloomberg.comExclusive | White House Warns Staff Not to Place Bets on Prediction Markets Amid Iran War WSJ