WASHINGTON — U.S. Rep. Jared Moskowitz, a Florida Democrat who has faced criticism over his role in Congress, is facing fresh accusations of self-dealing after disclosing a well-timed stock purchase in a major artificial intelligence chipmaker that stands to benefit from legislation he helped shape. Moskowitz reported buying between $1,001 and $15,000 worth of Broadcom… The post Rep. Jared Moskowitz’s Broadcom trade raises ethics concerns over s…