'Atlantic City fueled a lot of growth for me,' Trump said in an interview in May, summing up his 25-year history here. A central argument of his candidacy is that he would bring the same business prowess to the Oval Office, doing for America what he did for his companies. On the presidential campaign trail, Trump, the presumptive Republican nominee, often boasts of his success in Atlantic City, of how he outwitted the Wall Street firms that financed his casinos and rode the value of his name to riches.