By James Varney, includes “Tucked into an office park is a man who could save taxpayers billions—if the government wanted him to. … However, Washington really doesn’t want him to do that, he says, highlighting political pressure—from insurers, pharmacies, doctors, hospitals, and patients—to keep the spigots open, no matter how fraudulent or improper the spending. So now he is suing, and shining a harsh light on what many agree is wild overspending in Medicare, the biggest health-care purchaser on Earth…”