a very busy news day. thanks for hanging with us. "the real story" with gretchen stops now. >> sshgs. >> president obama says a u.s. drone strike accidentally killed an american and italian being held hostage by al qaeda. it all happened during a counterterrorism operation back in january. i'm gretchen carlson and we are here to bring you the real story today. now an investigation is going to be launched into that strike. here are the victims. american doctor warren weinstein who was abducted in pakistan and giovanni lo porto an italian aide worker. pete doocy, what more are we learning about this tragic raid? >> we heard minutes ago from the presence secretary josh earnest in the briefing room, president