 Good morning, I'm Michelle Bass. And I'm John Aaron, coming up. The president and his predecessor face off on stage. Roe v. Wade, you have late-term abortion. You can do whatever you want, depending on the state. For 51 years, that was the law. 51 years, Constance's scholarship said it was the right way to go. We have analysis of last night's debate and reaction. Proposing changes to a controversial African-American studies course. I'm Scott Gellman. 7 o'clock. This is CBS News on the Hour, sponsored by O'Reilly Auto Parts.