evidence: I have seen firsthand how dangerous lies can fuel violence and undermine our democratic process. During the 2016 campaign, a shocking number of people became convinced that I am a murderer, a terrorist sympathizer, and the evil mastermind behind a child-sex-abuse ring. Alex Jones, the right-wing talk-show host, posted a video about "all the children Hillary Clinton has personally murdered and chopped up and raped." [...] These basic principles still ring true, and the evidence continues to show that this approach works. The children of those families that we helped move to better neighborhoods in the 1990s have grown up to attend college at higher rates, earn higher incomes, and have more stable families of their own than their peers who stayed behind. And the younger the kids were when they moved, the bigger boost they received.