Now Playing

Tsarnaev Brothers' Roots Grounded Them In Different Worlds

The Tsarnaev brothers were rooted in two different cultures: both the war-torn Caucasus region, with its vestiges of the Chechen conflicts; and America, where their father scraped a meager living and the older boy especially struggled to fit in. Host Jacki Lyden talks with Julia Ioffe, a Russian immigrant and writer for The New Republic.