Bill Clinton Re-Signs a Letter He Wrote When President

With just one day before the Iowa Caucus, presidential hopeful Hillary Clinton

Julius Goldberg-Lewis, 22, told a crowd of just over 450 people of his first interaction with Clinton via snail mail when he was only 6 years old.

"He knows Hillary, and he knows what it takes to be president of the United States. He did it twice," Goldberg-Lewis said. "But that didn't stop me from giving him some unsolicited advice back in the late 1990s."

When Clinton took the stage, he assured the crowd that he did in fact pen a response to Goldberg-Lewis' letter and personally signed it. The president also signed and dated that 16-year-old letter again today.

"Thanks for writing me then and for caring now and helping Hillary," wrote Clinton to Goldberg-Lewis.

"She's 5 years old. She put her very best stickers on it and all that, and she never got an answer. And she never got over it, and I never forgot it," Clinton said. "So that's why Julius got his letter."