<p>Republican presidential candidate Ben Carson thought he had a way to create a system of universal health care to cover millions of uninsured Americans. In 2003, he helped set up a charity to test his bold idea and build a fund of contributions to dole out to needy patients.<br /><b> </b><br />Long before he considered a presidential bid, the world famous neurosurgeon envisioned building Angels of the OR into an endowment that would generate enough interest income to cover uninsured patients expenses for neurological surgeries and other medical costs.