Medicare chief to get ‘Obamacare’ grilling

FILE - In this April 10, 2013, file photo, Centers for Medicare and Medicaid Services Acting Administrator Marilyn Tavenner speaks during a news conference at the Health and Humans Services Department in Washington. Tavenner, the senior Obama administration official closest to the implementation of the health care law’s dysfunctional website faces tough questions Tuesday, Oct. 29, from Congress at the start of a pivotal week. Tavenner will be questioned by the House Ways and Means Committee on what went wrong with HealthCare.gov, and whether she saw any of it coming. (AP Photo/Manuel Balce Ceneta, File)WASHINGTON (AP) — Trying to earn a second chance, the senior administration official closest to the implementation of the health care law's malfunctioning enrollment website will answer questions from Congress at the start of a pivotal week.