Edition: Singapore Indonesia Asia US/UK TAIPEI: Taiwan is vetting hundreds of thousands of military service members, public school teachers and civil servants in a bid to root out potential homegrown Chinese sympathisers, as Beijing intensifies espionage on the island. Alarm is growing in Taiwan over the extent of China's infiltration on the self-ruled island, which Beijing claims is part of its territory and has threatened to seize by force. Prosecutors last week charged four recently expelled