A billionaire Walmart heiress sparked MAGA backlash in a surprise attack against President Donald Trump days before his big birthday bash in Washington D.C. Christy Walton, 76, took out a full-page ad ...

The ad was reportedly paid for by Christy Walton, the billionaire philanthropist and widow of John T. Walton, one of the sons of Walmart founder Sam Walton. She has a net worth of near $20 billion.