The Affordable Care Act continues to roll out with the opening of something called a marketplace next week. That’s where people can shop for health insurance. Health care reform also expands Medicaid - the government-subsidized health plan for low-income people. Currently, many doctors in the Roaring Fork Valley and beyond don’t accept Medicaid patients because the plan gives providers a dismal reimbursement. As Aspen Public Radio’s Marci Krivonen reports, some doctors say the issue highlights a fundamental problem with the health care system.