Why is Lucrezia Borgia, daughter of Pope Alexander VI, still viewed as a Machiavellian manipulator? By marrying into the family her father wanted to forge an alliance with, she became forever associated with the worst scandals of Renaissance Italy.

Did the sentencing to death of Jiang Qing, the widow of Mao Zedong, founder of the People's Republic of China, enable the Chinese Communist Party led by Deng Xiaoping to absolve itself of the crimes of the Great Helmsman? Accused of counter-revolutionary crimes after Mao's death, she embodied the hard left of the Chinese Communist Party, which Deng is determined to get rid of to make way for his modernisation plan.

Two thousand years after the fact, can we really say that Messalina and Agrippina, two empresses of Roman antiquity, were the criminals and depraved women described by chroniclers of the time?

How did communist activist Angela Davis become an icon in her relentless fight against Ronald Reagan, then Governor of California? The young African-American became a target for Reagan, who made it his mission to save his country from the "red peril" and wanted her sentenced to death.