washington/new york u.s. democratic presidential candidate bernie sanders defeat hillary clinton tuesday west virginia primary win voters deeply skeptical economy signal difficulty clinton may industrial state general election loss slow clinton march nomination still heavily favor become democratic candidate nov. election november match-up donald trump clinton need win working-class voters u.s. rust belt include key state ohio pennsylvania trump 69 contest west virginia nebraska handily tuesday presumptive republican nominee set meet party leaders u.s. congress thursday include u.s. house representatives speaker paul ryan ryan say last week yet ready endorse trump trump say sunday would decide whether still want ryan preside party july convention trump say fox interview tuesday night would like ryan chair convention plan good man want good party new york billionaire say trump zero clinton protract battle sanders 74-year-old u.s. senator vermont taunt clinton recent days say close deal beat sanders rival democratic party nomination since feb. 1. clinton 68 say ignore trump personal insult include repeat use new nickname crook hillary instead criticize policy pronouncements deep concern economy underscore west virginia democratic primary roughly six 10 voters say worry direction u.s. economy next years proportion cite economy job important vote issue accord preliminary abc news exit poll remark clinton make ohio town hall march country would put lot coal miners coal company business ohio town hall comment may hurt voters coal-mining state west virginia clinton visit west virginia ohio last week repeatedly apologize displace coal steel workers comment say take context discuss plan help retrain coal workers clean energy job secure democratic nomination candidate need 2,383 delegate go west virginia clinton former u.s. secretary state 2,228 delegate include 523 so-called superdelegates elite party members free support candidate sanders 1,454 delegate include 39 superdelegates another 29 delegate apportion base west virginia result clinton sanders compete another primary contest may 17. candidates also look ahead june contest last long nominate season nearly 700 delegate stake include 475 california sanders focus efforts sanders vow take campaign way democrats july 25-28 convention philadelphia want say shape party platform sanders repeatedly tell supporters pack rally opinion poll indicate would beat trump general election match-up large margin poll show clinton defeat trump trump shift general election mode already begin consider run mat tell fox tuesday night narrow list five people rule pick new jersey governor chris christie former rival end presidential bid february christie endorse trump campaign monday name head trump white house transition team story refiles add first name republican candidate donald trump second paragraph clinton lose sanders coal state west virginia