The United States is committed to defending Taiwan if China mounts an attack on the self-ruled democratic island, President Joe Biden said Thursday, apparently contradicting Washington's long-standing policy to keep its stance on the matter ambiguous.His remarks came as concerns have grown over the increased pressure Beijing is applying on Taiwan, which it regards as a renegade province awaiting reunification by force if necessary. The White House said later there was no change in policy toward the island.Asked during a town hall event organized by CNN whether the United States would come…READ FULL ARTICLE