At 02:05 PM 10/20/99 -0400, you wrote: From there it was satirized (like in Jeff's examples) and eventually >migrated into the cultural usage of "I have no real expertise in this area, >but I'm giving my opinion anyway." > >Caveat Emptor, > >Sandor It started with a soap opera actor, shilling Head and Shoulders. Wasn't Marcus Welby. It was firmly an early eighties icon. Phil