PENÍNSULA VALDÉS, Argentina (AP) — After coming back from the brink of extinction, Southern right whales are swimming in greater numbers off the coast of Argentina’s Patagonia this year, delighting tourists seeking to catch a glimpse of their acrobatics. Peninsula Valdés, located in the Patagonian province of Chubut, is globally important for the conservation of marine mammals and is home to a key breeding population of Southern right whales — once an endangered species — as well as elephant