A reader remarked last week that Barack Obama is running out of human shields. With the father of ObamaCare unavailable to explain the greatest fiasco of his presidency to Congress, the American people had to settle Wednesday for his surrogate, Kathleen Sebelius.

Let us try to understand clearly what is happening now with the Obama presidency. On display to everyone watching this week is not merely the failure of a federal website or a software program or Ms. Sebelius's management skills. This is the failure of the very idea...