so imagine you don't know whether you're black or white, asian or latino, gay or straight, immigrant or citizen, you make the best possible law. with criminal justice that's a hip-hop nation. it consists of people who are most likely to be charged with crimes.

everybody knows that, young black men. but also people who are more likely to be victims of crime. so in the music, in their art, hip-hop artists are laying down on track for what a criminal justice system will look like, what a justice system will look like if we treated everybody equally, treated everybody fairly, and wanted to keep the streets safe. >> you can watch this and other programs online at booktv.org. >> johnny walker is the codename of an iraqi translator who helped the navy seals root out terrorists in iraq following the insurgency. johnny walker accompanied the seals on over 1000 missions and discredited with savings -- saving dozens of them along with iraqis. next, jim defelice and johnny walker talk about mr. walker's experience. this is about an hour.