Yoko Ono, Sean Lennon tour Pa. gas drill

Yoko Ono, Sean Lennon tour Pa. gas drilling sites
Associated Press

Yoko Ono, left, and her son Sean Lennon chat aboard a bus on the way to visit fracking sites in Pennsylvania Thursday, Jan. 17, 2013. They are touring natural-gas drilling sites in northeastern Pennsylvania and visiting with residents who say they've been harmed by the controversial extraction process known as fracking. (AP Photo/Richard Drew)

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