HealthCare.gov Problems To Dominate Washington Week

• Marilyn Tavenner, administrator of the Centers for Medicare and Medicaid Services, testifies before Congress tomorrow about the flawed Oct. 1 rollout of the Affordable Care Act's online health exchanges.
• Health and Human Services Secretary Kathleen Sebelius will testify on Wednesday, after declining to appear before Congress last week.
• Over the weekend, another part of the computer system failed and an outside contractor was blamed for a problem with verifying the personal information of applicants.
• Lawmakers resume budget negotiations this week, after a week off following the government shutdown earlier this month.

Guest

• Ron Elving, NPR senior Washington editor. He tweets @relving.