jeffrey toobin. help us understand what it's like, robin, in court to see this going on. kellydant debating and being put to the test this way. robyn, you start. >> obviously oscar pistorius has been giving his testimony for 2 1/2 days, gently led by his own defense. the state came in and went at it hard, equating riva stan camp's head with an exploded waterme n watermelon, trying to force him to see those pictures being in court. oscar pistorius has been emotional, has struggled to try to get his testimony over in the last few hours. there were many times i saw him clenching, holding himself back, trying not to stop, trying not to break down because, of course, he has to tell his story, has to put this across. in terms of whether this is unusual, this very, very grotesque kind of example so early under examination, i hey kelly is good to answer that. >> the level of aggression is not unusual. the system is based on vehement cross examination. the gratuitous nature of the manner in which that photographer was used is certainly unusual. i personally think it was a mistake. i thi