The leading contender to become speaker of the Republican-led U.S. House of Representatives unexpectedly dropped out of the race Thursday. California congressman Kevin McCarthy had been seeking to replace House Speaker John Boehner ahead of Boehner's retirement at the end of October. ___________________________________________________________ McCarthy's path to the speaker's office was made more difficult when two other Congressmen--Jason Chaffetz of Utah and Daniel Webster of Florida--announced their candidacies. 美国共和党领导的众议院议长的最有利竞争者在本周四的竞选中出乎意料地宣布弃权.加利福利亚州的国会议员凯文.麦凯恩曾期望能在10月底众议院院长约翰.博纳退休后,取代他的位置. _________________________________________________________ 两位国会议员---犹他州的杰森.查费兹和弗罗里达的丹尼尔.韦伯斯特宣布参加议长竞选后,麦凯恩的众议院议长之路变得更加崎岖.