Pig organs for transplant patients

Can “one helluva pig” be the solution to a worldwide shortage of organ donors. People die waiting for replacement hearts, lungs and kidneys. So I meet the teams that have started transplanting pig organs into people. We’ll explore the huge leaps of genetic engineering that are making "xenotransplantation” possible and ask if it’s even ethical to try. Presenter: James Gallagher Producer: Andrew Luck-Baker