Ball State University alumnus David Letterman, right, host of CBS' "Late Show," interviews Oprah Winfrey at Ball State University in Muncie, Ind., Monday, Nov. 26, 2012. The conversation is part of the David Letterman Distinguished Professional Lecture and Workshop Series. (AP Photo/Michael Conroy)
Oprah Winfrey acknowledges the audience after she came to the stage for an interview with Ball State University alumnus David Letterman, host of CBS' "Late Show," at Ball State University in Muncie, Ind., Monday, Nov. 26, 2012. The conversation is part of the David Letterman Distinguished Professional Lecture and Workshop Series. (AP Photo/Michael Conroy)
Ball State University alumnus David Letterman, host of CBS' "Late Show," takes the stage for an interview with Oprah Winfrey at Ball State University in Muncie, Ind., Monday, Nov. 26, 2012. The conversation is part of the David Letterman Distinguished Professional Lecture and Workshop Series. (AP Photo/Michael Conroy)
Ball State University alumnus David Letterman, right, host of CBS' "Late Show," interviews Oprah Winfrey at Ball State University in Muncie, Ind., Monday, Nov. 26, 2012. The conversation is part of the David Letterman Distinguished Professional Lecture and Workshop Series. (AP Photo/Michael Conroy)
Ball State University alumnus David Letterman, right, host of CBS' "Late Show," interviews Oprah Winfrey at Ball State University in Muncie, Ind., Monday, Nov. 26, 2012. The conversation is part of the David Letterman Distinguished Professional Lecture and Workshop Series. (AP Photo/Michael Conroy)
MUNCIE — Oprah Winfrey told fellow veteran television show host David Letterman on Monday that victims of physical and verbal abuse spend years rebuilding their self-esteem. The media mogul recounted her own experiences with abuse, which included being raped at age 9, during an appearance …
