Hinting? Looks pretty blatant to me.Serj Tankian-empty walls--Watch the first part of the video and watch what the toy plane does. I think its hinting about 9/11
http://www.youtube.com/watch?v=BZSKvSz1roQ
Tantric - Breakdown
http://www.youtube.com/watch?v=t8wfWg0IgIo