“The Tribeca Film Festival, founded eight years ago in the wake of the September 2001 terrorist attacks, is again trying to lift the morale of a city in crisis. Organizers, mindful of the U.S. recession, rising New York joblessness and a shorter roster of sponsors, have tried to include more comedies and uplifting stories for the April 22 to May 3 event and maintain free events such as outdoor screenings.”