Officials in a dozen states who oppose the healthcare bill say they hope to block it in court by arguing that requiring people to buy health insurance is an unprecedented intrusion by the federal government into people's lives, the New York Times reports. Their arguments in court are likely to focus on the scope of the mandate and the intrusion of the federal government into state affairs, David B. Rivkin Jr., a lawyer advising Florida who served in the Justice Department under President Ronald Reagan and the first President George Bush, told the Times.