Boston Marathon bombing: US officials in Dagestan

US officials have travelled to the Russian republic of Dagestan to speak to the parents of the Boston Marathon bombing suspects. Dzhokhar and Tamerlan Tsarnaev lived briefly in Dagestan, and Tamerlan made a lengthy visit there in 2012. via Pocket http://www.bbc.co.uk/news/world-us-canada-22277541#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa