boston bombings. tamerlan tsarnaev posted pictures of him on his youtube channel, and he went to the region, although it s not publicly known whether he trained with the group. the state department is taking the unusual step of warning americans the games are an attractive target for americans and just in the last few minutes, the pentagon is confirming it s moving two ships to the black sea to be available for evacuations or other contingencies. thank you. another day of serious violence in ukraine. anti-government protesters clashed with police in kiev. that followed a night of vicious street battles after the gove sweeping anti-protest law. ukraine has been in turmoil since the cancellation of an economic treaty with the european union in november. president obama says marijuana is not more dangerous than alcohol. but he does not necessarily want his two children to follow in his footsteps of teenage pot use. it s just the latest mixed message from an administration