FILE - In this March 30, 2010 file photo, President Barack Obama signs the Health Care and Education Reconciliation Act of 2010 in a ceremony at Northern Virginia Community College in Alexandria, Va. Nearly a million people signed up for health insurance under President Barack Obama's law even after the official enrollment season ended, helping push the share of uninsured Americans below 10 percent and underscoring how hard it could be for Republicans to dismantle the program. (AP Photo/Pablo Martinez Monsivais, File)