What do you do when you've really blown it? Is sin really as dangerous and is grace really as powerful as the Bible says they are? Is there such a thing as a new beginning? Sin and grace-these are the two themes of our lives. We all blow it and we all need to start over again. In Psalm 51, David tells his story of moral failure, personal awareness, grief, confession, repentance, commitment, and hope. And because David's story is every believer's...