viability. that s when a fetus can survive outside of the womb. the court said in 1992 that point is between 23 and 24 weeks. but the mississippi law bans abortions much earlier, after 15 weeks, with exceptions only for medical emergencies or severe fetal abnormalities. and now the state solicitor general will argue before the supreme court that there is nothing in the constitution that even supports a woman s right to have an abortion. if the court won t go that far, the state wants the justices to erase the viability line and uphold its 15-week ban. i believe very strongly that if you read the constitution there is nowhere in the constitution that prohibits individual states, states like mississippi, to limit access to abortions and so i think roe was wrongly decided. reporter: the case will be heard exactly three months after texas successfully banned most abortions after just six weeks. that law has sparked protest