Democrats are pessimistic that Congress will enact new rules around the health insurance industry, even as they try to appear responsive to growing calls for reform following the killing of UnitedHealthcare CEO Brian Thompson, whose murder unleashed a torrent of anger on social media against the U.S. health system, and insurance companies specifically. While politicians have roundly comdemned the violence, the apparent assassination has exposed the deep cynicism with which much of the public, on the right and the left, sees the insurance industry.