A proposed law designed to fight child pornography has rankled privacy advocates because it would require Internet service providers to keep 12-month logs of customers' names, credit card information, and other identifying information that are tied to temporarily assigned network addresses. Opponents say the law wouldn't markedly help lock up child pornographers and pedophiles, but rather would treat all Americans as criminals so that if law enforcement feels it has a need to find out who visited a website or posted a particular bit of content online, it can. The Electronic Frontier Foundation notes that the same data could become...