U.S. Congressman Dana Rohrabacher (R-Calif.) speaks to the media after laying wreath at the site of a terrorist attack in 2000 in the underground street passage in Pushkin Square in downtown Moscow, ... more 
U.S. Congressman Dana Rohrabacher (R-Calif.) speaks to the media after laying wreath at the site of a terrorist attack in 2000 in the underground street passage in Pushkin Square in downtown Moscow, Wednesday, May 29, 2013. A U.S. Congressional delegation is spending a week in Russia meeting high-level government and security officials to investigate whether more could have been done to prevent last month’s Boston Marathon bombings. (AP Photo/Ivan Sekretarev) less 
1 / 6
Associated Press | Photo By Ivan Sekretarev
Wed, May 29, 2013 1:14 PM EDT