Basically you're mam married a person in there 50,s, Your worlds apart let his ego and you're ego not get in the way of you're mother's happiness. If she's happy with a bigoted person which more than likely you're own dad would be now if he was still around. You have to remember that you cannot change old peoples opinions there racist and bigoted because that's the way there world was years ago and the more you preach about today's world the more they just go into there own world. It shouldn't affect you but it Wil affect you're mothers happiness. Let him rant just spectate the chaos of his world have compassion and feel sorry for him. Theres no cure for a cunt.