He named his crusade theMarathonofHope, and he ran more than 3, 300 miles, raising millions of dollars and international awareness before cancer finally took his life in 1981.
It is a key question that U.S. authorities who arrived in the city this week hope to answer as part of their investigation into the Boston Marathon bombing.
The National Basketball Association and its players union ended a two-day session ofmarathon talks without a deal but with hope after the league revised its offer to the players and with the union saying it will take the offer to its players next week.