Someday soon, surely much sooner than most people who filled out their Census forms last week realize, white Americans will become a minority group. Long before that day arrives, the presumption that the "typical" U.S. citizen is someone who traces his or her descent in a direct line to Europe will be part of the past. By the time these elementary students at Brentwood Science Magnet School in Brentwood, Calif., reach mid-life, their diverse ethnic experience in the classroom will be echoed in neighborhoods and workplaces throughout the U.S.
Already 1 American in 4 defines himself or herself as Hispanic or...