What "Good Morning America" anchor has hosted the Academy Awards pre-show?
Academy Awards pre-show:  The pre-show takes place on the red carpet surrounding the theater which holds the telecast, and is almost always hosted by various media personalities, such as Regis Philbin, Chris Connelly, Tim Gunn, and Robin Roberts. Robin Roberts (newscaster):  Roberts is the anchor of ABC's "Good Morning America".
Robin Roberts