"Playing hardball with Mexico scores Trump points with his political supporters, but it could backfire horribly as immigration policy," he writes. "A southern neighbor with an economy wrecked by trade barriers and overwhelmed by Central American migration is recipe for a humanitarian crisis right at our doorstep."
Ryan Young/Cornell University
Nobel Prize-winning economist and former Cornell professor Richard Thaler, left, speaks on stage with Thomas Gilovich, the Irene Becker Rosenfeld Professor of Psychology, in the Statler Auditorium.