
When House Speaker Nancy Pelosi arrived late Tuesday night in Taiwan, its tallest building — iconic landmark Taipei 101 — lit up with words of welcome, blinking "Thank you" and "TW ♥ U.S."
While Pelosi's visit delighted people in Taiwan, it enraged Beijing and set the region on edge over what China might do in retaliation. From the Philippines to Singapore, countries are worried the status quo could turn from tension to conflict.