A fascinating book about our struggle to forgive--and how we can--from a renowned psychologist and award-winning author. Why do we harden our hearts, even against those we want to love? Why do we find it so hard to admit being wrong? Why are the worst grudges the ones we hold against ourselves? When we nurse our resentments, Robert Karen says, we are acting from an insecure aspect of the self that harbors unresolved pain from childhood...