ACERRA, Italy (AP) — Pope Leo XIV on Saturday greeted one by one families who lost loved ones to illegal toxic dumping in an area near Naples, tied to a multi-billion criminal racket run by the mafia. Many paused to share photographs and other mementos of children and young people who have died or are battling cancer because of the pollution. Leo’s visit to the so-called Terra dei Fuochi, or Land of Fires, came on the eve of the 11th anniversary…