The primary suspect in the massacre Friday of 49 people at two mosques in New Zealand named a prominent British fascist leader who was allied with Italy’s Benito Mussolini in the 1930s as the historical political figure with whom he most identified. The suspect, 28-year-old Australian Brenton Tarrant, published a 74-page manifesto before killing 49 people and injuring another 20 at the Christchurch mosques. Tarrant wrote that Sir Oswald Mosley “is the person from history closest to my own beliefs.” Describing himself as a “racist,” Tarrant state’s he’s not a conservative and could be labeled a socialist, “depending on the...