mexico city republican presidential nominee donald trump set add mexican billionaire carlos slim target verbal attack wall street journal report friday cite trump adviser say candidate would accuse slim one world rich people help generate allegations media sexual misconduct trump trump claim slim donor clinton foundation charity large single shareholder new york time interest help white house campaign newspaper say slim spokesman arturo elias tell journal allegations mexico rich man interfere u.s. election totally false slim build multibillion-dollar empire purchase trouble company turn around facts bear mexico january 28 1940 son lebanese immigrant build small fortune purchase properties cheap price mexican revolution world rich man decline flagship telephone company america movil stock drag fortune remain world billionaire fortune 50 billion accord forbes slim begin accumulate new york time share 2008 buy 6.9 percent 2009 extend 250 million loan paper convertible share time top individual shareholder 17.35 percent slim engineer profession graduate mexico public national autonomous university die-hard fan school professional league soccer team pumas slim amass fortune buy mexico state-run phone monopoly 1990 turn latin america big telecommunications company investments stretch bank mine media construction telecoms oil service mexico strict restrictions private donations political campaign strive appear neutral elections make donations clinton family foundation bill melinda gate foundation last year slim travel el salvador peru bill clinton canadian mine tycoon frank giustra three set partnership fund health employment initiatives launch 20 million fund help small businesses haiti 2010 slim live house 40 years prefer drive around mexico city old mercedes believe large number sculpture auguste rodin outside artist native france factbox mexican tycoon carlos slim u.s. election