Kate Middleton’s brother, James Middleton, gave a rare update on the Princess of Wales after she announced she is in remission. “She’s doing OK,” James said in a Today interview on Thursday, September 26. “It’s not for me to share on her behalf how everything’s going.” Kate spent the year living under the radar to prioritize her cancer treatment, but she returned to social media on Monday, September 9, to share positive news about her condition. “As the summer comes to an end, I cannot tell you what a relief it is to have finally completed my chemotherapy treatment. The last nine months have b…