Condolences have flooded in from around the world after two explosions at Monday's Boston Marathon killed three and injured more than 170. Here are some of the statements on the Boston Marathon explosions.
You got served, Conan O'Brien. The late-night talk show host discovered that diplomats have a way with words when he tweeted Thursday, "I picked out my Halloween costume. I'm going as 'Slutty Madeleine Albright.' "