From The Washington Times:
Mr. Obama, on the campaign trail in Florida, made an unannounced stop Saturday night at a sports bar/restaurant called Gators Dockside in Orlando. While greeting people at the establishment, he encountered a family of ten at a large table.
A woman at the table pointed to a young boy in their group and told the president, “He was born in Hawaii.”
Mr. Obama’s face lit up, according to pool reporters traveling with him, and he made a hand sign – “presumably a Hawaiian sign,” the pool reporter said – which the boy returned.
Then Mr. Obama said to the child: “You were born in Hawaii? You have a birth certificate?”