Participant, the film and television studio behind activist pieces like "Food, Inc.," "Waiting for Superman" and Al Gore's "An Inconvenient Truth," is closing after 20 years.
Moaz Mahmoud, 26, allegedly struck and shoved a 10-year-old student to the ground around 11 a.m. inside Public School 276 on E. 83rd St. and Avenue K in Canarsie...