"I'm doing this as a master class," Kristin Chenoweth declares during For The Girls, her new and all-too-brief run of Broadway concerts currently playing at the Nederlander Theatre. She's bringing a Glinda actress on stage for each performance " the role, of course, that Chenoweth originated in the musical Wicked "Â and together they run through part of the character's signature tune, "Popular." She's joking about …
