"The Color Purple"'s LaChanze talks about The Oprah Effect on that show, as well as her personal identification with the challenges faced by her character Celie; reflects on her fruitful artistic partnerships with director Graciela Daniele and the team of Lynn Ahrens and Stephen Flaherty; and considers the challenges and opportunities she's had on occasion to explore roles originally conceived for causcasian actors. Original airdate - February 24, 2006.