As the U.S. bombed Afghanistan this month, the students of Horace Mann Elementary School in Oak Park, Ill., mounted their own response to terrorism. More than 200 of them ran around the block and through an open field next to the playground, panting, laughing and earning a sticker for each lap they completed in the name of their "Moving Us Forward" program. After a fortnight of morning runs, they cumulatively completed more than 1,000 miles, the distance from their school to the World Trade Center to the Pentagon.
"The people in the plane crashes probably were sweating," said Marisa Belpedio, a...