The full length documentary category has not, in recent times, been Oscar's strongest.
This year's list of nominees was a lot better than average, with Searching for Sugarman just receiving the trophy.
It's a popular choice (and a good one—here's our review), but Invisible War has certainly made a huge impact since it was released last year, to the extent that US Secretary of Defence Leon Panetta instituted changes to the military after watching it.
Here's our interview with Invisible War co-director Kirby Dick.
And keep your eyes open for a review and feature on the extraordinary The Gatekeepers in next week's issue of the Straight.