Disturbing new research indicates more than one third of Americans are okay with selecting and destroying their children as embryos based on DNA tests that predict their likelihood of being smart enough to attend a top-tier college. A new opinion poll published in the journal Science asked Americans about testing embryos for in vitro fertilization (IVF), an infertility treatment that involves creating embryos outside the womb before implanting them in the mother’s uterus. Often, embryos are destroyed in the process, even though they already are unique human beings at the earliest stage of life. According to MIT Technology Review, the...