A Column With Edge

Enjoying your magazine, as I always do. However, can somebody please let Beth Negus Viveiros know that her column “Pushing the Envelope” misquotes the phrase popularized by Air Force test pilots?

The correct phrase is “pushing the EDGE of the envelope,” which is much more difficult than “pushing the envelope.” Last time I checked, it took absolutely no muscle power or brain power to “push an envelope” across my desk!!!