PITTSBURG, Kan. — Two-time Super Bowl champion Peyton Manning became the latest guest speaker at The “H. Lee Scott Speaker Series: An Examination of American Life” at Pittsburg State University on Monday, in front of a limited crowd of students, faculty and members of the public. Best known for his legendary 18-year football career, Manning now serves as a member of the American Red Cross National Celebrity Cabinet and The Pat Summit Foundation Advisory Board.