report from Sens. Chuck Grassley of Iowa and Ron Wyden of Oregon found the contributions continued in recent years, even as the industry’s practices and the toll of opioid addiction came under greater scrutiny.The senators, the top Republican and Democrat on the Senate Finance Committee, are considering legislation to expand an existing federal system that tracks payments from companies to doctors so it will include payments to nonprofit organizations.They also want guidelines to require more transparency on the federal task forces and panels that help the U.S.