Instructor George Breathitt asked an audience of 300 computer enthusiasts in Louisville, Kentucky, how many seniors in the group would like to teach other seniors about computers. A younger member of the audience quipped disdainfully, ``Wouldn't that be the blind leading the blind?'' He was promptly booed: almost half the audience was over 50. In fact, Breathitt, 61, has attracted so many seniors willing to teach -- and learn -- about computers that he founded a successful firm to employ them. So far, his Silver Fox Computer Club has taught about 7,500 students and expanded into four states.
So who...