by François PICARD Agence France-Presse HOUSTON, United States (AFP) – “You get used to it. The walls shake,” says Sam, a resident of Midland, a town in west Texas where hydraulic fracturing for oil and gas — known as “fracking” — is causing more and more earthquakes. “Then another tremor comes a second later, like a truck passing nearby,” said the 44-year-old, who did not wish to disclose his last name. Echoing his words, three […]