CNN, POOL, CCTV, CHENGDU RESEARCH BASE OF GIANT PANDA BREEDING, XINHUA, SUGAM POKHAREL, ZOO ATLANTA By Steven Jiang, Issy Ronald, Mike Valerio, Chris Boyette, CNN (CNN) — Two giant pandas on loan from the Chinese government as part of Beijing’s long tradition of “panda diplomacy” have arrived at Zoo Atlanta. The pandas — a male