Editor’s Note: Delving into the archives of pop culture history, “ Remember When? ” is a CNN Style series offering a nostalgic look at the celebrity outfits that defined their eras. CNN  —  Every now and then, a piece of pop culture will capture the perfect storm of talent, story and style to withstand the test of time. One such example is the 1985 comedy-drama “Desperately Seeking Susan,” starring Rosanna Arquette as bored housewife Roberta and Madonna as the titular Susan, an enigmatic