When newly filed records showed the brother of a top adviser to President Joe Biden lobbied the National Security Council for a major automaker, it became the latest concern for ethics experts who see a porous firewall despite the president's ethics pledge. Jeff Ricchetti, whose brother Steve Ricchetti is a counselor to the president, was paid $60,000 during the second quarter of 2021 to lobby the council on "issues related to China" on behalf of General Motors, according to a recent disclosure. Under the Trump administration, the automaker sought to have tariffs removed from their Buick Envision, which is made...