In her latest appearance on The Ellen DeGeneres Show Thursday, Oprah Winfrey opened up about her hefty donation to the March for Our Lives movement and responded to the president’s "hate tweet" against her. Following the tragic deadly school shooting in Parkland, Fla. Winfrey announced that she would be following George and Amal Clooney, Jeffrey and Marilyn Katzenberg and Steven Spielberg and Kate Capshaw and making a $500,000 donation to support the March for Our Lives demonstration in which students “will take to the streets of Washington, D.C. to demand that their lives and safety become a priority” and that...