TAIPEI, TAIWAN — A panda that China gifted to Taiwan 14 years ago as a symbol of what were then warmer ties died on Saturday after suffering a spate of seizures, Taipei Zoo said. Tuan Tuan and his breeding mate Yuan Yuan were given to Taiwan by Beijing in late 2008, at a time when relations between the two were more cordial. China views Taiwan as part of its territory and has vowed to one day bring the self-ruled democratic island back into the fold, by force if necessary. “Our medical team has confirmed that Tuan Tuan’s heart stopped beating…