<p>That airy disclaimer, uttered by Tallulah Bankhead, has long been an article of faith for coke's legion of fans - and little has changed since cocaine's sensational debut in the Belle Epoque. Alternately glorified and demonised, hailed as a miraculous cure-all or blamed for society's failings, the White Lady has gone global. Today, she is the stimulant of choice for European partiers and stressed-out bankers alike - and everyone from producer ...