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No quick fix for HealthCare.gov?
Top Talkers: Contractors who built the Obamacare site defended their role in the site's rollout on Thursday, and some in the GOP are calling for HHS Secy. Kathleen Sebelius to resign. And was the GOP more forgiving when it came to Medicare Part D? Mark Halperin, Sam Stein, Julie Pace and Harold Ford Jr. discuss and Kelly O'Donnell reports.