Reuters: It’s a long way from rock and roll to eco-activist but Chuck Leavell, most recently keyboardist for The Rolling Stones, believes the two are anything but mutually exclusive. Leavell, 57, said while the 60’s are best known for the music and sexual revolutions, in a smaller but equally important way there was greater recognition that people had to start taking care of the environment. His most recent incarnation is as a co-founder of The Mother Nature Network, an environmental …