Twenty-first century war adds new risks: more and more often there are no front lines, no central command, no rules of engagement - only a chaotic collision of politics, power, faith and bloodlust. Victims are as likely to be civilians as soldiers.
The days of the Pentagon Papers debates seem long past, when a sudden transparency yielded insight into fights over war and peace and freedom and security; the transparency afforded by Twitter and Facebook yields insights that extend no further than a lawmaker's boundless narcissism and a culture's pitiless prurience.
War is being waged all across the country against the invasive plant and animal species - some 50,000 of them - now spreading across the U.S.
Years later, nothing makes me more grateful as a parent than my daughters' encounters with classroom wizards.
Rarely has a new player on the world stage captured so much attention so quickly - young and old, faithful and cynical - as has Pope Francis.