to our viewers, you are in the situation room, and happening now is the breaking news we are following a. killer whale kills one of its veteran trainers in seaworld orlando. we have a biologist standing by. in a new twist of a killing that seems to be something out of a spy novel. the assassination of a hamas leader in a luxury hotel and suddenly the number ofs s of s is exploding, and is there a u.s. connection? and a fallout of the toyota recalls is plummeting safety regulators, and you will want to see my interview with the transportation secretary ray lahood. i m wolf blitzer, and you are in the situation room. let s get some more now on today s historic hearings on the toyota recall.