Voice of America notices “the sounds of silence” from animal advocates             TEHRAN, Iran––If Iranian cheetah conservationists Taher Ghadirian,  Houman Jowkar,  Morad Tahbaz,  and Niloufar Bayani were pit bulls accused of “sowing corruption on earth,”  facing the death penalty for killing someone,  tens of thousands of animal advocates worldwide would long since have signed online […]