Health and Human Services Secretary Kathleen Sebelius today acknowledged that long-awaited enrollment figures for the rocky first month of Obamacare will be “very low.” … The Centers for Medicare and Medicaid Services also announced the abrupt retirement of the chief information officer—the first high-level departure since the botched HealthCare.gov launch on Oct 1. CIO Tony Trenkle is leaving Nov. 15 for a job in the private sector, CMS said. His deputy, Henry Chao, has been identified as a liaison to key contractors who built HealthCare.gov as well as the official who briefed the White House monthly on implementation. The CMS...