 Irene Le Pen's four sentences capture every important element of the anxiety rising across the Western world. The borders are open and the foreigners are coming. They'll steal your job. They will cost you your pension and your health care by bankrupting your system. They will pollute your culture. Some of them are killers. Le Pen fell short in her bid to become France's president in 2017. Her message remains compelling for the 21st century politics of us versus them.