Carolyn Hax: Husband takes racist stance on new grandchild. What should his wife do?

A husband mentioned one thing racist about their new grandchild after which declared it wasn’t up for dialogue. How ought to his spouse reply?
https://www.washingtonpost.com/life-style/2021/09/29/carolyn-hax-husband-racist-new-grandchild-wife/?utm_source=rss&utm_medium=referral&utm_campaign=wp_lifestyle | Carolyn Hax: Husband takes racist stance on new grandchild. What ought to his spouse do?