Edited sentence: It is possible to hold the views both that every instance of abortion is immoral and also that it should never be illegal.On the one hand, there are some persons who believe that birth control is morally impermissible; they argue that the choice of whether a child should be created should always be left to God.On the other hand, there are persons such as professor Peter Singer, who argues that an infant, living moment-by-moment, lacks the interest of continued existence that older children and adults possess, and that infanticide is therefore, in some cases, morally permissible and should, in those cases, be legal.Some take the position that abortion ought to be compulsory in certain situations — the Twelve Tables of Roman law required that deformed children be put to death.There are, in fact, several other positions that represent even greater extremes than these, though they are not, strictly speaking, positions about abortion per se.There is clearly a difference, for example, between the views that abortion is immoral and that it should be illegal