14,000 patients wait for areat match. pat "wall street journal" senior editor yarr page writer colin levey joins us with more.er colin, let's try to give some context to people and go back. this is ale 1984 law that banned compensating for organ donations, things like livers and kidneys. bone marrow was included in that because at the time thathe kind of transfer was very difficult technologically.diff but that's changed over the years. now it is much easier.now tell us how. >> right.te at the time it was a relatively complicated procedure that requiredrela sedation.icat in the 30 years since it has become something not much moreit difficult than donating blood. it is a process where a donor can go in and get hooked up to a machine and have blood taken out. that is essentially how it works. in 2009 the institute in for justice on behalf of a woman named doreen flynn who is a mother with three children who have a blood who disease that may require