“Teams of technology experts are racing to finish building government websites that will allow people to shop and sign up for health insurance this October. People involved in the effort say to expect some problems, at least initially. The functioning of the websites—which will enable people without health insurance to enroll in plans offered through a federal or state insurance exchange—will play a major role in determining whether the Affordable Care Act is deemed a success or failure, since the 2010 law’s prime objective was to bring coverage to those who lack it.”