"The tears continued streaming down as I thought about the tremendous promise that Louie once showed; I felt crushed that we both couldn’t have been scientists. After several minutes, I gathered myself and started the car. Johnny Cash was on the radio singing, ‘There will be peace in the valley for me, dear Lord I pray … ’ And I slowly drove away."
Read more from Carl Hart, recipient of the 2014 PEN/E. O. Wilson Literary Science Writing Award.