Have you heard of this woman? I saw her on Oprah a few weeks ago. You can visit Oprah's site and enter her name in the search box and come up with transcripts from the show.
Article on Mignon Fogarty (Grammar Girl)
Just thought I would pop in with that link. If you Google Grammar Girl or Mignon Fogarty you will come up with many interviews and other related things. I'm not sure if she has a website of her own.