Billionaire donors Laura and John Arnold support far more in Maryland than police surveillance

World War I (1914-1918)

War re-enactors get no respect [Commentary]

War re-enactors get no respect [Commentary]

For the past 30 years, I've been urging my students to put themselves in the shoes of people who lived in the past. So why do we make fun of Americans who do that as a hobby?

I'm talking about military re-enactors like Eric Frein, the 31-year-old man suspected of killing a police officer and wounding another at a state police barracks in northeastern Pennsylvania last month. A few weeks into the manhunt for Mr. Frein, news organizations reported that he played a Serbian soldier — "Istocni Vuk," he called himself — in a unit that re-creates Eastern European armies from the Cold War era.

Mr. Frein studied Serbian and Russian languages and even smoked...