Mel C, Bette and Joyce

In The Wall Street Journal this week, I interviewed Melanie Chisholm for my "House Call" column in the Mansion section (go here). For those unfamiliar with Melanie, she is perhaps better known as Mel C or Sporty Spice to women who grew up in the 1990s and listened to the Spice Girls, a teenage phenomenon and one of pop music's most successful all-female…