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From the NY Times - On Saturday, Mr. Bush’s national security adviser, Stephen J. Hadley, conceded that the president had not come into direct contact with ordinary Vietnamese, but said that they connected anyway.

“If you’d been part of the president’s motorcade as we’ve shuttled back and forth,” he said, reporters would have seen that “the president has been doing a lot of waving and getting a lot of waving and smiles.”

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And another piece from AP here.