Book excerpt: The most important technology of the 21st century. Do a double-take with this one-of-a-kind guide. One of technology's most awe-inspiring and hotly-debated topics-cloning-is made clearer here than anywhere else. It runs the gamut from genetic- and bioengineering, to an even handed analysis of the moral, political, and ethical issues surrounding these technologies. € Claims of cloned babies, the Human Genome Project, and cryogenics continue to create headlines and spur debate € Congress will soon decide whether the federal government should have a say about cloning human cells for medical research