For all the passions they generate, laws that require minors to notify their parents or get permission to have an abortion do not appear to have produced the sharp drop in teenage abortion rates that some advocates hoped for, an analysis by The New York Times shows. The analysis, which looked at six states that introduced parental involvement laws in the last decade and is believed to be the first study to include data from years after 1999, found instead a scattering of divergent trends. For instance, in Tennessee, the abortion rate went down when a federal court suspended a...