Last month, WIRED reported that the investment banking arm of Cantor Fitzgerald , a financial services company led by the sons of US commerce secretary Howard Lutnick, was exploring creating a financial product for clients to bet on whether President Donald Trump’s signature tariffs would be struck down in court.

In response to WIRED’s reporting, Democratic senators Ron Wyden and Elizabeth Warren sent a letter to Cantor Fitzgerald chairman Brandon Lutnick on Wednesday demanding more information about the firm's activities. “Given that one of the purported architects of President Trump’s tariff policy is Commerce Secretary Howard Lutnick, your father and the former Chairman and CEO of Cantor Fitzgerald, LP, the firm’s actions raise obvious conflict-of-interest and insider dealing conc

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