President Joe Biden said in an interview aired Sunday that U.S forces would defend Taiwan if it is attacked by China, the clearest response yet to the issue of whether the United States will come to the aid of the self-ruled island.The remarks may be seen as a shift in Washington's long-standing policy to maintain "strategic ambiguity" regarding the use of military force in response to a Chinese attack on Taipei. The president has made similar suggestions in the past that have not amounted to an official policy change.Taiwan and mainland China have been separately governed since they split …READ FULL ARTICLE