CHARLOTTE, N.C. — A North Carolina law that has been on the books for decades, which bans most abortions after 20 weeks of pregnancy, could soon be reinstated after it was blocked under the landmark abortion rulings that were recently overturned by the Supreme Court. Soon after the court handed down its decision last month, leaders of the GOP-controlled state legislature called on Democratic Attorney General Josh Stein to seek the ban’s reinstatement, adding that they were prepared to take legal action of their own to get the ban put back in place if necessary. Stein announced Thursday that th…