2 A.M. at a Roadside Gas Station, a Little Boy Wrapped His Arms Around a Stranger’s Leg and Whispered, “Dad… You Finally Came Back.”

 “Can you whistle the song?”

Graham knew exactly which song he meant.

He began whistling “Amazing Grace” softly.

Toby’s breathing gradually slowed. His fingers loosened, but he did not release Graham’s hand completely.

Graham continued whistling even after the boy fell asleep.

He whistled for Toby’s father, Staff Sergeant Nathan Caldwell, who had never continue reading …