After last Wednesday's deadly attack outside London's Houses of Parliament, the left-wing British media expressed outrage not at the appalling way in which Islam and Islamic terrorism have transformed life and sown death throughout the Western world, but at the purported moral depravity of those who dare to connect the dots. In the Guardian, Jon Henley and Amber Jamiesen sneered at Marine Le Pen for linking the London attack to migrant policy, despite the attacker being British. (My emphasis.) They smeared as xenophobic Nigel Farage's argument that the London attacks proved Donald Trumps hardline immigration and anti-Muslim policies were...