Yoko Ono, Sean Lennon tour Pa. gas drilling sitesBy MICHAEL RUBINKAMJanuary 17, 2013 GMTMONTROSE, Pa. (AP) — Yoko Ono, Sean Lennon and Susan Sarandon spoke out against fracking Thursday during a tour of natural-gas drilling sites in northeastern Pennsylvania, warning about what they view as the danger to air, water and human health.