President Obama's assertion that “I don’t think I’m stupid enough to go around saying this is going to be like shopping on Amazon or Travelocity a week before the Web site opens if I thought that it wasn’t going to work” was called into doubt when it was revealed that he and top aides, including Kathleen Sebelius, were briefed on the website's deficiencies last March. “The notion that this implies that the President might be stupid is out-of-context and unfair,” Press Secretary Jay Carney contended. “As everyone well knows, the President is an avid basketball fan. The briefing everyone is...