A domestic pig on an organic farm in Solothurn, Switzerland. Image: Wikimedia Commons --------------------------------------------------------------------------------------------------------------------------------------------- Stories of people waiting for organ transplants that could save their lives are well known. The numbers, though, are not encouraging. The US Department of Health and Human Services has some data: 122,407 people need a lifesaving organ transplant (total waiting list of candidates). The agency said that the gap between supply and demand continues to widen. The total number of donors from January through May this year was 5,975. On average, 22 people die each day while waiting for a transplant. Here is another statistic:...