The annals of major college sports scandals are littered with the damaged careers of coaches and athletics directors, but surprisingly few presidents lose their jobs in connection with NCAA infractions cases. While it may be cold comfort for Donna E. Shalala, who as president of the University of Miami is dealing with some of the most serious allegations in the history of college sports, Ms. Shalala?s odds of surviving the scandal are pretty good, if recent history is any indicator.