Some youngsters retreat entirely, their eyes empty, bodies limp, their isolation a wall of defiance. Others cannot sit still: watchful, hyperactive, ever uncertain.
Some compulsively jump into the laps of strangers, or grab their legs and hold on for life. And some children, somehow, move past a sudden separation from their parents, tapping a well of resilience.
The Trump administration’s policy of separating migrant children from their parents has alarmed child psychologists and experts who study human development….