A blind artist's altruistic vision

You've got to wonder, looking at these paintings, with their vibrant colors and deep textures: Howdoes this artist see the world?

Truth is, he really can't.

Twenty-one-year-old Jeff Hanson is legally blind. He also has a few other physical and mental challenges, but that hasn't stopped him -- or apparently even slowed him down.

He's done about 1,400 paintings to date. "My mom keeps track for me," he said.
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