that meet, wouldn't it be immoral to say to a family, your kid has this genetic, easily marked bloodthat's going to -- a disorder. dr. doudna: if there was no other treatment. walter: suppose the kid was going to be born deaf would you fix that? dr. doudna: that's an interesting one, i've had conversations with people in that community. they don't feel defenseness is a problem they would fix. walter: suppose two parents were deaf, they felt it was not a defect and they were about to have a child that was not deaf. could they ask to fix it so their child would be deaf? dr. doudna: whoa. walter: michael asked that question in his class. i didn't come up with it. dr. doudna: this gets into the rem of who decides. should the parents decide? should they be told they can't do that? if they want to do it, should they be told they can but only if they want to pay for it? i think it's a tricky issue. walter: but it's not just their decision, if it's going to the germ line. one has to think about the interest of the child too. so as you go through the spectrum of things you could do, certainly as we