Forget trying to saw Debbie McGee in half " some conjurers are using their skills to help surgeons, refugee children and even imagine a better future What image does the word "magic" conjure up? Paul Daniels sawing Debbie McGee in half, or Harry Potter chanting "Expecto patronum"? Or perhaps just a sweaty little man (they are almost always men) trying gamely to placate a party of sugar-high six-year-olds with balloon…
