In the late 1960s and early 1970s, advocates of legal abortion mostly used the termrightswhen describing their agenda. But afterRoe v. Wade,their determination to develop a respectable, nonconfrontational movement encouraged many of them to use the wordchoice--an easier concept for people weary of various rights movements. At first the distinction in language didn't seem to make much difference-the law seemed to guarantee both. But in the years since,...