Tracking the influence economy that fuels Washington, D.C., is no easy task.
Powerful corporate special interests are experts at concealing their expenditures through dark-money groups, Astroturf fronts, unethical think tanks and other influence-laundering operations.
Powerful corporate special interests are experts at concealing their expenditures through dark-money groups, Astroturf fronts, unethical think tanks and other influence-laundering operations.