Mumbai, May 19 — Director Rajkumar Hirani and his co-writer, Abhijat Joshi, had a special screening of their blockbuster, 3 Idiots, at the United Nations headquarters in New York on Monday. A source from Vinod Chopra Productions says that the Department of Management at the UN contacted them, requesting for a screening followed by a two-hour long session with the members who will focus on how the film has impacted their lives and how each character...