The floor belonged to Philip Feliciano, and NFL Commissioner Roger Goodell waited patiently for his question. Given an opportunity to ask Goodell about anything he wanted, Feliciano, a 55-year-old vascular surgeon from Bellevue, Washington, wanted to know about the league's efforts to help prevent head injuries. ''I think it threatens the viability of the game if we can't make it safe,'' Feliciano said. More...