In an essay he wrote for In Defense of Animals , a book I edited that appeared in 2006, he wrote, “No realistic level of guerilla attacks of the kind carried out by the Animal Liberation Front could have hurt the battery farming industry as much as the new Austrian law does.” In recent years, Austrian animal-welfare organizations have been remarkably successful in persuading voters and legislators to support laws phasing out cages for egg-laying hens, cages for raising rabbits for meat, and raising animals for fur.