CNN By Casey Tolan, Majlie de Puy Kamp, Melanie Hicken, Blake Ellis, Isabelle Chapman, Curt Devine, Bob Ortega, Em Steck, CNN (CNN) — As demolition crews this week bulldozed the White House’s East Wing to replace it with a massive ballroom, President Donald Trump has emphasized that the dramatic changes will come at “zero cost to the American Taxpayer.” Instead, the donors picking up the tab include some of the country’s biggest corporations, including many who have business before the federal government, along with many longtime supporters of the president, according to a CNN review of a donor list released...