charles duelfer, abbas kadhim, policfleece fleece, thankfeisal.nk you all. >> woodruff: the national collegiate athletic association has long defended the idea of the amateur student-athlete, but that concept is facing its toughest trial yet. in fact, it's literally a class- action trial underway in a federal district court in oakland, california. the lawsuit contends the n.c.a.a. should permit former and current college basketball and football players to profit from the use of their names, likeness and images in television broadcasts, video games and other media. the case's origins go back to a lawsuit first brought by former u.c.l.a. basketball player ed o'bannon after he saw his likeness in a video game. it's evolved into a much bigger suit against the n.c.a.a., with potentially bigger implications. today, n.c.a.a. president, mark emmert, took the stand. we're joined by michael mccann, he is director of the sports and entertainment law institute at the university of new hampshire. >> ifill: michael mccann, welcome back to the "newshour". tell u