Lim Hearing News Today

>> yes. >> can you tell us today what studies you consulted that led to your change of opinion --lim hearing is o richardson hearing. keep on topic for that. >> let me focus you on that. when did you change your mind about the significance of the thc levels of trayvon martins blood? >> i dont remember exactly the time. could be in last 60 days. when we decide to have this trial i tried to prepare for this testimony. not every case will go to trial. >> youre saying that sometime in the last 60 da...