Kate Middleton made many attempts to mend William and Harry's rift, but Harry's comments about King Charles' cancer became the final straw, author Christopher Andersen claims.
https://www.foxnews.com/entertainment/kate-middleton-reached-final-straw-prince-harry-comment-king-charles-cancer-author
https://www.foxnews.com/entertainment/kate-middleton-reached-final-straw-prince-harry-comment-king-charles-cancer-author