A zero-sum mentality about China-US relations is reflected not only in the thinking of some US politicians, but also in a new survey conducted by the Pew Research CenterAccording to the survey, 78 percent in the必发bf88官网唯一登录 Philippines have a positive view of the US as of this spring, down from 92 percent who expressed positive sentiments in 2015The US government, lawmakers and pundits have generally expressed negative views of Duterte since he took office last JuneBut Filipinos also share positive views of China and its leader, President Xi JinpingFully 86 percent have a favorable view of Duterte himself; 78 percent support his handling of the illegal-drugs issue; and 62 percent say that the Philippines government is making progress in its anti-drug campaign必发bf88官网唯一登录In 2014, the Philippines was still led by Aquino III