Photographers surround Marilyn Tavenner, the administrator of the Centers for Medicare and Medicaid Services as she prepares to testify on Capitol Hill in Washington, Tuesday, Oct. 29, 2013, before ... more 
Photographers surround Marilyn Tavenner, the administrator of the Centers for Medicare and Medicaid Services as she prepares to testify on Capitol Hill in Washington, Tuesday, Oct. 29, 2013, before the House Ways and Means Committee hearing on the implementation of the Affordable Care Act. Stressing that improvements are happening daily, the senior Obama official closest to the administration's malfunctioning health care website apologized Tuesday for problems that have kept Americans from successfully signing up for coverage. (AP Photo/ Evan Vucci) less 
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Associated Press | Photo By Evan Vucci
Tue, Oct 29, 2013 11:52 AM EDT