These piglets don’t get to go outside and play in the dirt like other pigs. They are constitutionally weak and genetically engineered to have kidneys, hearts and livers more compatible with the human body to one day be routinely transplanted into humans. Substantial ethical questions remain. Our reporter explains the process, including how the first patients fared after receiving organ transplants from genetically modified pigs. Video by Roni Caryn Rabin, Christina Shaman, Christina Thornell and Laura Salaberry/The New York Times. #pigs #organ #transplants