Elizabeth Warren says Trump owes $1 million to her favorite charity

Donald Trump has made a habit of questioning people’s origins—particularly those of his political rivals. He spread ”birther” conspiracy theories about Barack Obama, demanding to see the former president’s birth certificate as proof of his American citizenship status. And he has repeatedly called Massachusetts senator Elizabeth Warren a liar for claiming to have Native American heritage. At a rally in Montana this summer, Trump went so far as to make a hypothetical bet. Imagining a debate with Warren, he told the crowd: