The emerging picture of medicine looks gloriously sunny for the 21st century, promising untold rewards for humanity's future health. The 20th century, in contrast, has proved disappointing in eradicating disease. Surgery today, still in the Dark Ages, relies on scalpels and other such Medieval tools. Is the end of illness within our grasp for the next century?Alexandra Wyke--a correspondent for The Economist and one of the world's most experienced medical journalists--traveled the globe in search of an answer to the future of medicine. She interviewed the most celebrated and innovative...