"I want to take a look," he could be heard saying, because "I'm not going to see this again."
And for nearly 20 seconds, as Vice President Biden, members of Congress and others passed by, the president of the United States stood in place; looking back.
It was a sight — the hundreds of thousands of people on the National Mall — that only presidents can appreciate in the way Obama seemed to be. The C-SPAN video, posted here by TPM, captures the unique moment.
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