. >> reporter: doreen flynn is a mother on a mission. her three daughters all suffer from a disease called fanconi anemia. a genetic disorder that destroys bone marrow and increases the risk of cancer. the only treatment is a bone marrow transplant. >> as a mom, i'm willing to do whatever it takes to help make that possible. >> reporter: whatever it takes, including changing the law. >> you only need to register one time. >> reporter: to encourage more people to donate bone marrow, doreen wants them to get paid. but that breaks a longstanding law that makes it illegal for donors to profit from their gift of life. >> for any family out there that has a sick child, parent, brother, sister that is awaiting a donor, they find out they get a donor, and then all of a sudden that donor pulls out for some odd reason. that's heartbreaking. >> reporter: to minimize the chance of heartbreak, she sued the federal government in a landmark case. and yesterday she got the news that the u.s. attorney general will not pursue the case with the supreme cou

nancy snyderman introduces us to doreen flynn whose battle to get her daughter a life-saving bone marrow transplant has put her in the middle of a ground-breaking legal battle. >> the transplant is jordan's only chance for survival. >> i wish i could donate my marrow, but i have to rely on somebody else. >> to encourage more people to become bone marrow donors, she wants them to get paid. >> this is a major federal law. it has never been tested before. >> we oppose bag bone marrow donors. >> women get paid to carry other people's babies. men get paid for sperm. is there a moral hurdle for this? >> and encore. actress candice bergen, one of the most dazzling beauties of her time, offers harry smith and the rest of us a master class in aging gracefully. >> can you walk the dogs and do people leave you alone or what happens? >> nobody has any idea who i am. really. it's over. >> candice is a woman quite comfortable in her own skin. >> is there something liberating about being 65 years old? >> you just don't care about most people, frankly. >> that and more as "rock center" gets under way. >

. >> doreen flynn wants to pay people to donate bone marrow but that idea breaks the law and places thishe center a very heated debate. >> 13-year-old jordan flynn is getting ready for a very special night. family and friends have gathered for a benefit in honor of the eighth grader who has just learned she will need a bone marrow transplant. jordan has a genetic disorder which destroys bone marrow and increases her risk for cancer. >> the transplant scares me. i've known people that have actually passed away afterward. >> this april her tn took a trn for the worse and the bone marrow transplant is jordan's only hope for survival. her mother, doreen. it must feel like the weight of the world is on your shoulders. >> yup. today is one of those days. >> now she is fighting to make medical history. you have now found yourself in a very unusual spot. you're a single mom and you also have become a very public face for a very public campaign to change a law. >> yes. >> to encourage more people to become bone marrow donors, she wants them to get paid. >> as a mom, i'm willing to do wha whatever