People worry about losing species diversity in the rain forest. But what about intellectual diversity-our most necessary resourse? - Michael Crichton

Photographs provided a tangible reality to men who were far from home, fearful and tired; they were posed proofs of success, souvenirs to send to sweethearts and loved ones, or simply ways of remembering, of grasping a moment in a swift changing and uncertain world.

Standing next to Arby, Kelly always felt awkward and gawky. Kelly had to wear her sister's old clothes, which her mother had bought from Kmart about a million years ago. She even had to wear Emily's old Reeboks, which were so scuffed and dirty that they never came clean, even after Kelly ran them through the washing machine. Kelly washed and ironed all her own clothes; her mother never had time. Her mother was never even home, most of the time. Kelly looked enviously at Arby's neatly pressed khakis, his polished penny loafers, and sighed. Still, even though she was jealous, Arby was her only real friend - the only person who thought it was okay that she was smart. Kelly worried that he'd be skipped to ninth grade, and she wouldn't see him any more.

Let’s be clear. The planet is not in jeopardy. We are in jeopardy. We haven’t got the power to destroy the planet — or to save it. But we might have the power to save ourselves.