What this dad wants you to know about fatherhood after losing his son

Earlier this year, lawyer, educator and advocate Adair Donaldson was confronted with unimaginable loss.His son Oliver, the youngest of four boys, died suddenly. He was 19.As Adair navigates the grief that has followed, he's found himself reflecting on fatherhood. These reflections have taken the form of a series of letters — deeply personal, generous letters — to the fathers of boys.