I don't understand why Nancy Pelosi is always singled out. According to the Motley Fool, she wasn't even in the top 5 in returns in 2023. Even if you single out the Democrats, she wasn't in the top 3.
Source: Congressional Stock Trading: Who Trades and Makes the Most
Prevent them from buying stocks and any information based on policies released to anyone should be considered insider trading. Or if they have ties to the industry, prevent them from voting on policies.