Former Newark, N.J., city councilman and community activist Cory Booker will be the principal speaker Saturday (July 12) at the eighth annual graduation ceremony for teachers in the University of Notre Dame’s Alliance for Catholic Education (ACE) program.p. The ceremony will begin at 2 p.m. in the Jordan Auditorium of the Mendoza College of Business on campus. It will be followed by a Mass at 6:30 p.m. in the Basilica of the Sacred Heart. Rev. Timothy R. Scully, C.S.C., the founder of ACE, will preside and give the homily.p.