Scientists in the Netherlands have created pig in a test tube. Debate has already started on whether it will save the world, or just throw vegetarians into a quandary. In the meantime, the researchers may be in line for a celebratory feast: They could be the new front-runners for a million-dollar prize offered by a major animal rights group. The research team, funded by a major sausage maker and the Dutch government, used cells from a live pig to grow pork muscle tissue in a Petri dish. After extracting cells called myoblasts from the muscle of a live pig, the...