washington/new york donald trump inch close become u.s. republican nominee many party big donors fear tarnish reputations contribute candidate insult women hispanics muslims flatly reject notion ever fund campaign interview reuters 22 members republican money class speak anguish struggle catch-22 find especially light violence trump rally candidate refusal denounce two additional high-profile republican donors gaylord hughey texas back jeb bush super pac ronald firman florida pour million conservative super pac say still undecided hop trump would tone inflammatory rhetoric urge supporters eschew violence trump least three state tuesday loss ohio mean republican nominate convention july may contest fall short win majority delegate state-by-state contest republican donors test grind trump pressure soften tone win independent voters even unorthodox campaign like expect need money television ads staff reach general election billionaire real estate developer may find difficult fund wealth throughout 2016 election many establishment donors view dedicate soldier will go lengths prevent either hillary clinton democratic front-runner rival bernie sanders win nov. election succeed president barack obama republicans say worry become trump donor could taint legacies family name personal brand many say disagree protectionist trade policies call build wall mexican border proposal temporary ban muslims enter unite state energy magnate mega donor dan eberhart say concern trump lack specificity foreign policy rhetoric donate trump know donor peer would donate say eberhart supporter wisconsin governor scott walker race nominee support spirit cash mean ways refresh candidate completely script time lack decorum stage presence gravitas deal foreign leaders world stage add denver technology executive chris wright anguish position support nominee appal anathema free society civil society believe trump campaign respond request comment run-up convention trump vow self-fund campaign pledge away pay-to-play transactional politics long dominate washington become party nominee grow consensus among campaign veterans general election would cost hundreds millions dollars total trump may well less able self-fund trump likely face barrage attack ads negative mail fund super pacs labor unions campaign democratic opponent answer charge airwaves would require give interview prove costly debate last week trump say yet decide whether seek donations general election campaign date trump controversial comment celebrity status former reality tv show host make regular presence network television allow avoid spend much rival pay television advertise run threadbare campaign plane employ tiny staff strategists consultants pollsters trump spend mere 3.20 per vote versus now-dethroned rival bush marco rubio spend 551.70 30.40 respectively trump could always try keep unconventional low-budget tactics republican challenger mitt romney failure respond president barack obama television attack ads 2012 offer cautionary tale respond opponent go offensive see lot people concede trump nominee lose white house let protect majority senate majority house say david mcintosh president club growth conservative organization spend millions dollars ads aim defeat trump primaries 2012 presidential race romney obama spend billion trump decide seek campaign donations republicans would will open wallets bob grand lead romney indiana fundraise 2012 say would write trump check alternative choice go good hillary clinton damn sure grand say trump could also use large social media presence solicit small donations via website could add large sum trump could decide court business people normally get involve politics potentially turn supporters billionaire businessman carl icahn nascar chairman brian france clinton democratic nominee ally millions dollars attack trump trump take democrats confront internal battle within party may feel pressure fundraise opponents ted cruz john kasich keep fight convention democrats launch attack come donor apocalypse say florida strategist rick wilson donors go turncoat like new jersey governor chris christie join trump heap hate opprobrium deserve republican money class fear stigma become trump donors