When the ghost of 15th century Genovese explorer Christopher Columbus
was interrogated by the ghost of 18th century American political activist
Elizabeth Willing Powel (a confidante of President George Washington) ,
they had a 21st century argument over controversies surrounding
Columbus's Discovery of the New World. This is what happened.
See also the 16 min companion documentary Columbus on Trial: Prologue
that will help you understand the times that Columbus was living in.