Name: Breaking down the Russia connection in the Boston bombing
Uploaded: Mon Apr 22 2013 21:36:57 GMT+0000 (UTC)
Duration: 8 min 11 s
Description: NBC’s Richard Engel and David Remnick of The New Yorker join MSNBC’s Chris Matthews to talk about what spurred the Tsarnaev brothers to bomb the Boston Marathon and the process of radicalization that may be to blame.

April 22, 201308:11