we'll ask trial veteran marcia clark.# 1-800-345-2550 ttd# 1-800-345-2550 ttd# 1-800-345-2550 and talk to chuck about ttd# 1-800-345-2550 rolling over that old 401k. bridgestone is using natural rubber, researching ways to enhance its quality and performance, and making their factories more environmentally friendly. producing products that save on fuel and emissions, and some that can be reused again. ♪ and promoting eco-friendly and safety driving campaigns. ♪ one team. one planet. bridgestone. >>> a murder trial in florida has turned into a national obsession with millions tuning in every day to watch what's turned into the latest trial of the century. we're talking about the trial of casey anthony who's accused of killing her 2-year-old daughter in 2008. today, one day after the judge reprimanded the attorneys for not acting professionally, a dutch forensic scientist was on the witness stand to testify about dna and duct tape. cnn's gary tuchman takes us live inside the courtroom here through his words. gary, when the

did what marcia clark did in the o.j.up the case with an unnecessary witness. [ talking over each other ] >> what you've got is a mother was a nurse who said it smells like a dead body. >> greta: exactly they don't need this guy. >> i agree. they want to but this evidence in, it is a death penalty case, you put in everything you've got. >> greta: can i tell you how insane that is. they didn't need it. that's the problem. they dirty up their case -- by the way, let me add one other thing. the judge was outrageous when the defense wanted to cross-examine this so-called death expert who has a sniffing machine, so ridiculous. the defense wanted to establish -- and the judge cuts the defense off in a death penalty case. >> on redirect the d.a. came back and said what would your role be in that? the university, the institution would make -- [ talking over each other ] >> greta: the judge gives latitude to the prosecution, not the defense, that's a better idea. [ talking over each other ] >> bias is always relevant. >> the probl