http://www.lewrockwell.com/blog/lewrw/archives/37034.htmlA heads up: it seems either US federal police or the US military have used sonic weapons on protestors in Pittsburgh.http://www.prisonplanet.com/military-attacks-american-citizens-with-sound-weapons-tear-gas-at-g20.htmlNational Guard, police, and other military units attacked American citizens with tear gas and deployed sound cannons today in response to an “unpermitted protest” as bedlam hit the streets on the first day of the [...]