Two men recently explained their life’s calling during separate conversations here in Chiang Mai, Thailand. Khem described his birthplace among the country’s poor and persecuted ethnic minority, where his parents — both farmers — sacraficed a great deal to send him and...

On a bike ride this afternoon — up off my seat, slowly climbing an especially steep incline — I noticed a few motor bike treads that had been discarded down a hillside off the road. That’s what had come of a thousand turns for those worn-out treads: a trash heap in a quiet...