For many people, memories are foundational. Even though they exist in the past, they inform who we are in the present and can help us make future decisions. So what happens when something that seems so fundamental turns out to be false?

Portland writer Sallie Tisdale deals with some of those themes in an essay she wrote for the Oregon Humanities magazine this summer. She joins us to talk about her latest work, the inconsistencies of memory and what it means to write a good memoir.