TAIPEI, TAIWAN — Kiribati President Taneti Maamau, who has led the Pacific Island nation to build closer ties with China in recent years, secured his third term in office on Saturday. He defeated two other candidates in an election closely monitored by countries around the world. Maamau won about 55% of the vote, while his nearest challenger, Kaotitaaake Kokoria, won 42% of the vote, New Zealand’s …