The makers of documentary “Khartoum” carried their national flag with pride and a sense of deep responsibility to their premiere at the influential US movie festival on Monday. Their country’s war rarely tops global news bulletins, and Sudan has never had a film at Sundance before. So the makers of documentary “Khartoum” carried their national flag with pride and a sense of deep responsibility to their premiere at the influential US movie festival on Monday. “The film is acting as an ambassador,” said Ibrahim Snoopy Ahmad, co-director of the movie, which portrays five ordinary people from Sudan’s capital, all forced to flee the violence. “On a national level, everyone’s looking up at us now and telling us, ‘You guys should push forward to let the world know what’s happening in Sudan,'” he declared before the premiere. ...