Boston Bombing Trial May Hold Answer to Radical Roots

With the trial of accused Boston Marathon bomber Dzhokhar Tsarnaev beginning this month, many are hoping for new insights into what led him and his older brother, Tamerlan Tsarnaev, to conduct the April 2013 attack. VOA's Jeff Swicord reports from Boston.

© La Voix de l'Amérique - samedi 10 janvier 2015