Fifty years ago this month, I chanced to hear the Rev. Martin Luther King Jr. I was a mild-mannered kid with a speech impediment and a love of math. That day, I was focused on solving math problems, not issues of justice and equal rights. But King broke through to me when he said this: If the children of Birmingham march, Americans will see that what they are asking for is a better education. They will see that even the very young know the difference between right and wrong.

I chose to march, and found myself among hundreds of children jailed for five terrifying days. Mind you, I was not a brave child. But even at 12 years old, I believed and hoped that my participation could make a difference.

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