From the Editors at National Review Online:

Some traitors, from Benedict Arnold to Robert Hanssen, betray their country out of greed; others, like the Rosenbergs, out of conviction. Even as the Rosenbergs were extreme but predictable products of Communist opinion, so Walker is a grotesque but unsurprising product of his milieu. But more important than any milieu are a man’s nearest and dearest, and more important than they is his own free will. Even as John Walker’s parents bear a particular responsibility for their ignorant and feckless raising of their son, so he is responsible