Strangers Drowning: Impossible Idealism, Drastic Choices, and the Urge to Help

What does it mean to devote yourself wholly to helping others? In Strangers Drowning, Larissa MacFarquhar seeks out people living lives of extreme ethical commitment and tells their deeply intimate stories; their stubborn integrity and their compromises; their bravery and their recklessness; their joys and defeats and wrenching dilemmas.

A couple adopts two children in distress. But then they think: If they can change two lives, why not four? Or ten? They adopt twenty. But how do they weigh...