Guardian: Yoko Ono might not seem the most likely bus traveller. Northern Pennsylvania, on a cold, snowy January day, might not seem a likely destination.
Yet the threat of hydraulic fracturing, or fracking, and its impact on the farm she and John Lennon bought in New York spurred Ono and her son, Sean Lennon, into action. On Thursday the pair, a group of activists and the actress Susan Sarandon formed an improbable troupe for a road trip through towns which have been affected by fracking.
The expedition...