Seth Mnookin Discusses Boston Manhunt

As jurors deliberate whether to convict Dzhokhar Tsarnaev, Masha Gessen says there are still some "gaping holes" in the case. Her new book is The Brothers.

Marathoner and Runner's World contributor Amby Burfoot talks about the vulnerability of running 26.2 miles of public space, the Boston Marathon as a holy grail and the importance of being cheered on. Burfoot won the Boston Marathon in 1968 and has run every five years since. He was there Monday.

Sports columnist Dan Shaughnessy talks with Fresh Air's Terry Gross about Monday's events at the Boston Marathon, the place the marathon holds in the life of the city, its importance in the international world of running, and the history of attacks at sporting events.