to get it in, for the purpose of arguing that he got high, so he became violent, because i think it kind of strains all credibility. however, in the opening statement and throughout the case, we've heard the tape being made of the call to the police where george zimmerman says, there's a strange guy, he's walking between the houses, he looks like he's high on drugs or something. and this tends to corroborate that he wasn't just making stuff up because he was watching a black male. he was actually reporting something that, lo and behold, he does seem to be high on something. in fact, they did argue that in the video from the 7-eleven or whatever, he seemed to be swaying a little bit, which is consistent again. >> myrna, isn't there a risk, though, for the defense, that there could be blowback if this is viewed as nothing but an effort to sully the man who is no longer here? >> absolutely. because the amount of marijuana in his system, we don't know how much was in the system, as it is, and was that enough, in his system, to make him act out? and i can agree with lisa, generally when people are taking marijuana, it is a docile, more mellow type of feel. not of aggression. >> and these are trace amounts, i want to emphasize. >> very small, very small. >> other big developments today. trayvon martin's father, tracy martin, was called to the stand and delivered a stunning piece of testimony. prior to martin taking stand, we