Right as the U.S. government shut down on Oct. 1, the new national health-care exchange went live at healthcare.gov. Intended for people who want to buy health insurance under the provisions of the Affordable Care Act, the website failed from the start. It was unusable to hundreds of thousands of Americans who wanted to enroll. Screens wouldn’t load. A woman trying to get help via Web chat was told to “please be patient” an infuriating 40 times. Despite pledges from Obama administration officials that the “glitches” would be quickly fixed, the list of bugs and problems kept growing.