A fundraising grandma is at her wits’ end with thieves stealing from her charity garden sales while her back is turned. Over the last 40 years Barbara Hatton and her husband Graham have handed over cheques totalling £100,000 to various good causes. One of the ways they raise cash is by selling items including clothes, furniture and other knick-knacks from their drive in Walderslade Road, Chatham. The 79-year-old says she makes it clear with numerous signs that they are for sale, and that the proceeds go to charity. Most recently, on Saturday, August 3, a pair of wooden bar stools were taken wh…