WASHINGTON, June 12 (UPI) -- Taiwan may be an island of just over 23 million people, but what happens there could ripple across the global economy. The small democratic nation produces the vast majority of the world's most advanced semiconductors -- chips that are used in everything from smartphones and electric cars to defense systems and spacecraft. Taiwan Semiconductor Manufacturing Co. Ltd. "produces roughly 90% of the most sophisticated computer chips, and the loss of that would be