TPM Livewire

House Committee Calls Hearing Over Obamacare Rollout

AP Photo / J. Scott Applewhite

The committee has called for Health and Human Secretary Kathleen Sebelius to testify, though it notes that the Obama administration "has rejected" previous requests to publicly answer questions about the troubled launch.

The committee has also asked for the input of software contractors. The marketplace's technological infrastructure has reportedly been one of the main causes of problems that website users have faced.