Support WBURGlenda Jackson On Playing King Lear: Gender Barriers 'Crack' With AgePlay43:51Download AudioTerry GrossApril 23, 2019 ShareGlenda Jackson plays the title role in Shakespeare's King Lear on Broadway. Jackson still gets nervous after decades on stage because she knows how "easy it is to act really badly, and how very, very hard it is to act well." (Bridget Lacombe)