It's good to see her, isn't it? Fifteen years after Kristin Chenoweth first made her entrance in a magic bubble, she's back celebrating Wicked's anniversary. Decked out in pink sparkles, fitting for the good witch, Chenoweth performed her signature song "Popular" for the 15th anniversary celebration, which airs on NBC on October 29.We caught up with Chenoweth to discuss how the musical shaped her career and whether she'd ever return to Oz.Get Wicked tickets now.How do you feel Wicked has shaped...