Paul, the epithelial cells you loose with shaving are already dead.Anybody who has completed a course in embryology KNOWS what the answer is to the question that is above Mr. Obama’s paygrade.It is true that most zygotes probably don’t make it- it is also true that before Lister and Pasteur most infants did’t make it either.Are infants human? Abortion is a difficult subject with moral implications on both sides.However, the myth that a fetus is not a human life poisons the dialogue. The question should be “what is the value of that life?”.