Two-year-old son Jack leans on his father’s knee. His rumpled baseball jersey bears a fresh spaghetti sauce stain from that night’s dinner. "Daddy, tell me a bunny story."

Rob tears his gaze away from the computer screen.

"What was that, son?" asks Rob.

"Tell me a bunny story," says Jack. "One with a truck in it."

Rob sighs as his glance swings back to the screen. His paper is due in two days. His professor tries to be sympathetic, but there are only so many times she’ll let her students stretch a deadline. On the other hand, there’s only so much time before his little boy grows up and stops listening to his dad’s stories.

"A bunny story?" asks Rob.

The little blond head bobs happily.

"With a truck in it."

"With a truck in it," repeats Rob. "Okay, climb up here."

And placing Jack on his knee, Rob b…