But....check out the "Editor's Note" on page 10. Scott Nygaard in the first sentence in paragraph 2 says that the ukulele is tuned to the top 4 strings of the guitar!
Thanks for the heads-up! The author of the piece on page 18 of AG's Ukulele magazine sat in on one of our San Francisco Ukulele Rebellion meetups. Two of our members are quoted in the little feature on ukulele clubs that she prepared.