Taiwan will build a new multi-layered air defense system called "T-Dome" to defend itself against enemy threats and increase defense spending, President Lai Ching-te said on Friday, calling on China to renounce the use of force to seize the island.Democratically governed Taiwan has faced increased military and political pressure from China, which views the island as its own territory over the strong objections of the government in Taipei.Taiwan is ramping up defense spending and modernizing its