How will new NCAA head injury guidelines affect players?
Video duration: 5:18
The National Collegiate Athletic Association agreed to settle a number of cases brought in a class-action head injury lawsuit. The proposed settlement, which must still be approved by a federal judge, would create a $70 million fund for concussion testing and diagnosis of current and former athletes. Gwen Ifill talks to Rachel Axon of USA TODAY Sports about some lingering questions about the deal.