washington/new york donald trump friday pick prominent climate change skeptic help craft energy policy push back renew call release income tax return say tax rate none business presumptive republican presidential nominee seek build policy proposals pivot campaign party nomination likely general election matchup democratic rival hillary clinton among ask help u.s. republican representative kevin cramer north dakota one country ardent oil gas drill advocate climate change skeptics north dakota forefront u.s. shale oil gas boom trump team ask cramer endorse trump write white paper detail report energy policy ideas accord cramer source familiar matter cramer say interview white paper would emphasize dangers foreign ownership u.s. energy assets well characterize burdensome tax over-regulation trump opportunity float ideas energy summit bismarck north dakota may 26 cramer say senator also among group trump advisers recently meet lawmakers western energy state hope trump open federal land drill lawmaker take part meet say spokeswoman trump campaign comment environmental group clinton campaign quickly attack trump tap cramer kevin cramer consistently back reckless dangerous scheme put profit fossil fuel executives health public trump match make polluter heaven sierra club legislative director melinda pierce say email statement clinton campaign also criticize move donald trump choice outspoken climate change denier kevin cramer advise energy policy late piece evidence let get near white house would put children health futures risk say campaign spokesman jesse ferguson trump light detail energy policy though recently tell supporters west virginia coal industry would thrive president also claim global warm concept create chinese hurt u.s. business clinton meanwhile advocate shift country 50 percent clean energy 2030 promise heavy regulation fracking say prospective administration would put coal company business trump also take heat friday release tax return something american presidential candidates do decades clinton rival senator bernie sanders vermont release return trump say internal revenue service audit return want wait review make public hope election trump tell abc good morning america press tax rate pay trump refuse say none business say candidate say nothing voters learn tax file tax file show source income within unite state countries well charitable give investments deductions financial information irs decline comment whether trump presidential candidates audit however trump campaign early year release letter attorneys say personal tax return continuous examination irs week clinton begin call probable republican rival release return last august former u.s. secretary state post past eight years tax return husband former president bill clinton website sanders release 2014 return april presidential candidates long history modern era release tax return 1976 gerald ford release return release information tax say joseph thorndike director tax history project tax analysts nonprofit nonpartisan group provide tax news analysis last time major party nominee do say refiling change dateline previous washington trump tap climate change skeptic energy adviser push back tax