NPR / Kaiser Health News: Medicaid pays millions for patient transportation. Sometimes the ride never comes
Such contributions can help companies buy access to government officials, said Paul S. Ryan, a vice president at the government watchdog group Common Cause.
"Anytime a special interest doing business with the government can make big contributions to public officials handing out contracts or making other government decisions, it's a cause for concern," he said. "Average, everyday Americans can't buy the same influence."