0 african-american and hispanic communities. >> professor peterson, though the stand your ground law was not ultimately used in zimmerman's defense, it's worth noting the profound racial disparity nrt convictions in stand your ground states. in cases with a black shooter and a white victim, just over 1% ruled justified. about the same as in states with no stand your ground law. but in cases with a white shooter and a black victim, almost 17% deemed justified. in states with no stand your ground laws, that falls to under 10%. how do you explain that. >> by saying that what this law basically reflects is the very real fact of the bias in our criminal justice system so that the color of your skin is the justify canable cause for homicide in these cases. listen, we have a criminal justice system that has been proven to be statistically racially biased. when you overlay that with a day. if they create a genuine bona fide movement on the twin problems, that's when you begin to see meaningful change and that can be the ultimate good if any good could come out of the martin tragedy, that could be the ultimate good that would come out of it. >> professor peterson, please. >> i would quickly add, that's the reason why it's great sybrina fulton lended her name to the broader sort of common sensence movement for gun safety. >> the president referenced gun violence. >> we have to broaden this out because how this is unfolding is, there's all these issues around state's rights. there's the war on women is being fought on those battlegrounds. the anti-obama care is being fought on those grounds and we have to bring all these things together to attack them together in order to be successful here. >> julian epstein and professor james peterson, thank you, gentlemen. coming up, the burden of a star witness in a hot lit dly disput trial. >> this don't have nothing to do with me. it's not about me. it's not about my character. it's not about trayvon's character. it's about that night, what happened that night. who caused the situation to happen. hmm...fifteen minutes could save you fifteen percent or more on car insurance. yep, everybody knows that. well, did you know some owls aren't that wise? don't forget i'm having brunch with meghan tomorrow. who? meghan, my coworker. who? seriously? you've met her like three times. who? (sighs) geico. fifteen minutes could save you...well, you know. the day building a play set begins with a surprise twinge of back pain... and a choice. take up to 4 advil in a day or 2 aleve for all day relief. [ male announcer ] that's handy. ♪ [ male announcer ] that's handy. all this produce from walmart and secretly served it up in the heart of peach country. it's a fresh-over. we want you to eat some peaches and tell us what you think. they're really juicy. it must have just come from the farm. this right here is ideal for me. walmart works directly with growers to get you the best quality produce they've ever had. what would you do if i told you all this produce is from walmart? wow! is it really? (laughter) find fresh peaches and all your quality produce. backed by our 100% money back guarantee. walmart.