For the lucky few who get in, Sundance isn’t just a festival — it’s a resource. Over the years, the festival has nurtured the careers of a number of documentary filmmakers who went on to become what senior programmer David Courier recently termed “master filmmakers” — filmmakers so good and so respected that the festival had to create the out-of-competition category, “Doc Premieres,” to make sure their work didn’t overshadow the greener directors. It should come as no surprise to anyone in the documentary community to find Liz Garbus’ name in a category reserved for such filmmakers. Garbus’ history with […]