@jeffcliff @TURBORETARD9000 Depending on your german skills, you might want to watch the english translation. But generally, a very calm and rational look at international law. Big recommendation.
https://media.ccc.de/v/37c3-11951-das_recht_auf_selbstverteidigung_im_modernen_volkerrecht
There is a link below the video, i recommend downloading it so you can select the language of the audio.