omg! - BERLIN (Reuters) - Oscar-winning documentary maker Kevin Macdonald has made what critics are calling the definitive biography of reggae legend Bob Marley, aided by the singer's family and record label who have given the project their blessing. The first authorized film of his life had its premiere at the Berlin film festival, and while questions about Marley remain, it goes some way to revealing the man behind the myth. "I just felt like there weren't any good films about him and a lot of misinformation," Macdonald told Reuters this week. "I wanted to make a very simple film. ...