Between 1961, when she gave her first talk at the Ford Hall Forum in Boston, and 1981, when she gave the last talk of her life in New Orleans, Ayn Rand spoke and wrote about topics as varied as education, medicine, Vietnam, and the death of Marilyn Monroe. In The Voice of Reason, these pieces, written in the last decades of Rand's life, are gathered in book form for the first time. With them are five essays by Leonard Peikoff,...