tania page, al jazeera, south africa. >>> just a reminder that you can always keep up to date with all of the news on our website that's at aljazeera.com. >> and the white house trying to rein them in today. thank you for joining us i'm joie chen. tonight a look at crime, justice and what may prove president obama's last major campaign. an all-out effort to force change in the criminal justice system. a key part reducing the sentences that many consider excessive for minor drug crimes. much identified is in need of change, places like this, the streets of the nation's capital city with what became known as america's drug laws. >> if you remember dc in the early 1990s, it may help you underwhat happened to rudolph norris. they were high times, cocaine and crack so easy to get, it seemed like everyone was using. even the mayor. at guy like rudy norris could life. angel. >> i was not an angel. i was far from angel. >> you were this the light. >> cost me 27 years of my life. >> he was caught with an ounce of crack. half a candy bar's worth, a relatively minor drug offense. >> you weren't a