Wool cloth diapering 101: What is it? Why do it? What do you need to get started?

We recently were blessed with our fifth baby girl, Lara Penelope, and I wanted to use cloth diapers for her. We used cloth diapers with Lucy, our second daughter, but I did not really feel organized enough to get back into it with Lea or Lola (you guessed it, babies #3 and #4). But this…