BRUSSELS — Ursula von der Leyen’s European Commission structure is proving a headache for green and equality advocates, who say industry has a smoother path to lobbying the institution. With many portfolios split among commissioners, it’s increasingly difficult to reach the right person to try to shape legislation, the advocates told POLITICO’s EU Influence newsletter . Lobbyists of all kinds are also concerned about the top-down nature of the von der Leyen Commission, where power tends to be