John Sinclair, a poet, music producer and counterculture figure whose lengthy prison sentence after a series of small-time pot busts inspired a John Lennon song and a star-studded 1971 concert to free him, has died. He was 82. Sinclair died Tuesday morning at Detroit Receiving Hospital of…#johnsinclair #johnlennon #mattlee #sinclair #robertcolombo #steviewonder #bobseger #crislerarena #exbeatle #yokoono (Source: Reuters: Health)