LONDON — Angelina Jolie says she is “very disheartened” by the U.S. response to the global migration crisis, and fears countries will adopt increasingly isolationist policies instead of acting together to tackle the challenge. This is a Tuesday, March 15, 2016 file photo of U.S. actress Angelina Jolie, Special Envoy of the United Nations High Commissioner for Refugees, as she speaks during a press conference at a Syrian refugee camp, in the eastern city of Zahleh, Lebanon. Angelina Jolie said she is “very disheartened” by the U.S. response to the global migration crisis. Speaking at a migration event in London, the special envoy for the United Nations refugee agency said Monday May 16, 2016 that she fears countries will adopt increasingly isolationist policies instead of acting together to solve the challenge. (AP Photo/Bilal Hussein, File) The special envoy for the United Nations refugee agency said Monday that worries about uncontrolled immigration [...]