Health and Human Services secretary Kathleen Sebelius testifies before Congress on the implementation of the Affordable Care Act. The new health insurance marketplace Healthcare.gov went down again this morning, the latest hiccup in a month of technical problems. The timing could not have been worse for the administration: Health and Human Services secretary Kathleen Sebelius was in the middle of testifying before Congress. Lets put the screenshot up, Representative Marsha Blackburn (R-Tenn.) said, referring to an image of the error message on Healthcare.gov today that reads, The system is down at the moment.