When the House Committee on Veterans' Affairs held a hearing recently, members expressed concern that veterans might not qualify for subsidies for the new health insurance marketplaces if they were enrolled in VA health coverage.
Two years ago, a landmark study found that having Medicaid health insurance makes a positive difference in people's lives.
Backers of the program have pointed to that study time and again in their push to encourage states to expand the program as part of the federal health law.