While there are some Americans who are inclined to evaluate the moral, ethical, and medical legitimacy of abortion on a case-by-case basis, many others are strictly, unwaveringly pro-choice (favoring abortion rights) or pro-life (antiabortion). Over the last few decades, whether abortions should be legal at all--under any circumstances--has created a deep political rift across the United States. This book, which charts the shifts in interpretation...