COLLEGE STATION, Texas (AP) — Texas A&M University System regents on Thursday required professors to receive approval from the school president to discuss some race and gender topics, tightening rules months after a viral video of a student confronting an instructor over her lessons threw the flagship campus into upheaval. The new policy will apply to all 12 schools within the system, including at Texas A&M, the flagship campus that is one of the largest universities in the country. The new