By: Addison Wylie I wouldn’t call Concerning Violence a movie or a documentary.  It’s only being considered the latter because filmmaker Göran Olsson uses real footage – from the 60s and 70s – of African liberation in a perpetual clash.  It’s more of a collection of footage being blown up on a screen to prove a point. Concerning Violence contains interviews, still images, and raw film that all flesh out these “nine scenes from the…