Throughout her career, Barbra Streisand's mother would send her bad reviews of her performances. The intention was to prevent her daughter from getting a "swelled head," but they also served as fuel for a woman who was determined to be a star. The EGOT-winning icon spoke with Terry Gross about her career and her memoir, My Name is Barbra.Co-founder of The Roots, Tariq Trotter (aka Black Thought), reflects on his difficult childhood in Philly, his decades-long friendship with Ahmir "Questlove" Thompson, and 50 years of hip-hop. Trotter's new memoir is The Upcycled Self.