washington bernie sanders high-flying democratic presidential campaign fell back earth saturday nevada vermont senator quickly find way broaden appeal minorities union members last week 22-point rout clinton new hampshire could prove campaign highlight race move next week south carolina black make half democratic electorate march string southern state big blocs african-americans strongly support clinton slow warm sanders rush march contest big diverse state democrats nearly two dozen state vote march march 15 could leave sanders grasp political life bad day sanders say david woodard political scientist clemson university south carolina need find way cut clinton base think go find here although clinton 5-point win relatively narrow enough blunt sanders momentum recent voter survey show tight race nevada raise prospect another damage setback clinton entrance poll nevada show clinton trounce sanders self-described democratic socialist 3-to-1 among black voters also beat union households 11 percentage point enthusiasm young liberal voters rally around sanders call rein wall street reduce income equality enough nevada counter clinton union organizational clout allow reclaim front-runner status race shift friendly turf new hampshire setback clinton campaign bank sanders would unable breach so-called firewall hispanic african-american support former secretary state southern western state nevada result appear support view run strong campaign close overrate make sale say mo elleithee clinton aide 2008 campaign executive director georgetown institute politics public service sanders campaign say hearten nevada entrance poll show beat clinton among hispanics eight point learn today hillary clinton firewall latino voters myth arturo carmona deputy political director bernie 2016 say statement clinton campaign question number say one point 60 percent delegate 22 latino-majority precincts clinton convince show nevada could reduce chance late run independent candidate former new york mayor michael bloomberg would likely scoop moderate voters turn socialist nominee sense sanders victim nevada success ability close gap clinton iowa rout new hampshire nearly all-white state raise expectations could ride another upset nevada nevada put bern say ken tietjen clinton supporter stand outside las vegas victory rally caesar palace hillary momentum go forward sanders strong show first three contest along formidable fundraise suggest stay power could help extend democratic race beyond cluster early march contest april may string contest white liberal state could help sanders money long haul although clinton hand end january federal election report file nevada result announce show sanders raise 21.3 million january 14.7 million hand january hillary raise 13.2 million individual donors 32.9 million hand black voters say saturday see reason switch loyalty away clinton fondness date back husband bill clinton presidency strain bitter primary battle barack obama 2008. ask back thomas anderson african-american columbia south carolina say saturday hillary course get experience know country need say add bernie cool guy bernie too clinton embrace obama presidential legacy argument sanders would begin unravel obama policies healthcare issue also make impression darien gambrell 23 say hear clinton plan continue number obama policies think good thing like ideas even ones seem work first say add would want candidate would reverse obama work additional report luciana lopez jane ross nevada emily flitter steve holland south carolina michelle conlin new york amanda becker washington edit stuart grudge article fund part sap independently create reuters editorial staff sap editorial involvement creation production nevada sanders face struggle broaden appeal