The story of how our bottomless appetite for novelty, gossip, and melodrama has turned everything--news, politics, religion, high culture--into one vast public entertainment. Neal Gabler calls them lifies, those blockbusters written in the medium of life that dominate the media and the national conversation for weeks, months, even years: the death of Princess Diana, the trial of O.J. Simpson, Kenneth Starr vs. William Jefferson Clinton. Real...