This entry was also posted on the Oxford University Press blog site. Our memories, in many ways, define who we are as an individual or at least who we think we are. In the recent documentary, "Stories We Tell," filmmaker Sarah Polley presents her own tale of the search for her biological father. Through interviews with relative and friends, snapshots, and re-enactments of pertinent events that look like old home movies, the documentary moves like a real-life Rashomon , wherein bits of the "truth" are revealed from various points of views. The stories revolve around Sarah's mother, Diane Polley, a stage actress who died of cancer when Sarah was 11 years old. The "seminal" event, if you will, took place nine months before Sarah's birth, when Diane took an extended leave and moved hundreds of miles away from home and family to perform in a play in Montreal. As such, there was opportunity and several prime suspects in the mystery of S