BIRMINGHAM, Ala. — One of college sports’ most iconic rivalries is set to write a new chapter on an even grander stage. On Friday, in the NCAA Women’s Basketball Tournament Sweet 16, Duke and North Carolina will face off for the very first time in tournament history. The game, which tips off at 2:30 p.m. ET on ESPN as part of the Birmingham Regional 2 semifinals, will be the third meeting between the two programs this season — but the first ever in March Madness. For a