bild

In this Feb. 1, 2019, Bill Gates smiles while being interviewed in Kirkland, Wash. Bill and Melinda Gates are pushing back against a new wave of criticism about whether billionaire philanthropy is a force for good. The couple, whose foundation has the largest endowment in the world, said theyâÄ™re not fazed by recent blowback against wealthy giving, including viral moments at the World Economic Forum and the shifting political conversation about taxes and socialism. (AP Photo/Elaine Thompson)