It has become almost impossible for most Americans to avoid the anti-abortion arguments, the protest placards and the graphic pictures of foetuses. They might encounter them outside abortion clinics, but they are also in thousands of churches, schools, clinics and homes. Women who want an abortion, especially in Republican-controlled states, face a maze of regulations. And now, finally, the anti-abortion movement is in sight of its greatest victory. Americans have had the right to abortion since 1973 when, in the landmark Roe v Wade decision, the Supreme Court ruled that the right was guaranteed by the US constitution. No state...