my name is susan burton. after my son died, i used drugs. i went to prison six times.finally, i found rehab and i thought i can help women come home from prison. i picked them up, bring them back to the house. >> she offered you a warm bed, food. like a real family. she made me want to change my life. >> you proud of my, miss burton? >> sure. you came a long way. >> this is life. that's what it's all about. >> larry: since 1998, susan burton has helped more than 400 women get their lives on track. to nominate someone you think is changing the world go to cnn.com/heroes. back after this. right now, there's a nurse saving a life in baltimore. 20 minutes later, she'll bring one into the world in seattle. later today, she'll help an accident victim in kansas. how can one nurse be in all these places? through the nurses she taught in this place. johnson & johnson knows, behind every nurse who touches a life... there's a nurse educator... who first touched them. ♪ you're a nurse ♪ you make a difference >> larry: congressman markey, how tough should the president be on bp? so