In this issue:
"Account Settings" by David Remnick: Cambridge Analytica and a moral reckoning in Silicon Valley.
LETTER FROM ST. THOMAS
"The Edge of Identity" by Rachel Aviv: Hannah Upp goes missing for weeks at a time, losing her sense of self. Can she still be found?
A REPORTER AT LARGE
"Dirty Politics" by Margaret Talbot: Scott Pruitt's E.P.A. is giving even ostentatious polluters a reprieve.