As I write, we know nothing about the perpetrator of today’s attack in Manchester. Today’s attack in Manchester was always coming, because the authorities have made it clear to Jew haters that they are effectively free to go about their business. When they chant “Khaybar, Khaybar, Ya Yahud! Jaish Mohammad sawf ya’ud!” on the hate marches, (“Khaybar, Khaybar, O Jews! And they run with it when they commit atrocities as in Manchester today.