They are both cheats and both showed bad judgement.
Exactly. Both of their spouses have forgiven them, or at least have stayed with them. As for whether either have asked for God's forgiveness, that's not for me to know or judge. Yes, it's one of the Ten Commandments; as is "Keep the sabbath day holy". If any of us can truly say we've never sinned, then by all means he/she should cast the first stone.