Well he's actually been convicted and is considered a fugitive outside of the US.
http://libertarianreview.us/2012/05/...earing-arrest/
http://www.foreignpolicyjournal.com/...s-in-absentia/
http://www.vice.comgeorge-bush-and-tony-blair-are-war-criminals-obv
http://www.uswarcrimes.com/
http://www.huffingtonpost.ca/2012/11...n_2132792.html