According to Brooks, Joe Biden spoke to his class during a trip to Washington, D.C. when Brooks was in grade school. Biden, who had a stutter as a child, noticed that Brooks also stuttered during the question and answer session. He sent the boy an encouraging letter afterwards
How Joe Biden Helped a Man With a Childhood Stutter Overcome His Fears
The link shows a copy of Biden's handwritten letter to the boy, who grew up to become a lawyer and was sworn in as a prosecutor by Biden's son Beau, who recently died.
I've always liked Joe Biden.