I've been thinking a lot lately about my mother.  Maybe it's been because a friend of mine is experiencing a lot of issues with her mother, maybe it's because of Easter and the proximity of Mother's Day, maybe it's because I'm around the same age now as my mother was when I was born, or maybe it's because of that spiritual biography I had to write this week for my licensing committee.  But I've been thinking a lot about my mother. My mother didn't have an easy life.  I never knew her mother, my grandmother, but I hear that she was a very strong woman.  She raised three children on her…