The deepening notes of disenchantment with Barack Obama now issuing from commentators across the political spectrum were predictable. So, too, were the charges from some of the president's earliest enthusiasts about his failure to reflect a powerful sense of urgency about the oil spill.

There should have been nothing puzzling about his response to anyone who has paid even modest critical attention to Mr. Obama's pronouncements. For it was clear from the first that this president—single-minded, ever-visible,...