When a man who has spent his career bearing witness to the lives of strangers turns the camera on himself, something quietly profound occurs. CBS News correspondent Steve Hartman, as his son George departed for college in September, chose to make public what most parents endure in silence — the particular ache of watching a child cross the threshold into their own life. In doing so, he reminded us that the most universal human passages are often the ones we are least practiced at speaking aloud.