Turkey should again consider criminalizing adultery, President Tayyip Erdogan said on Tuesday, revisiting an issue that caused outrage among secular Turks and warnings from the European Union when his party raised it more than a decade ago. The Islamist-rooted AK Party floated the idea in 2004, two years after it first came to power, as part of a broad overhaul of the Turkish penal code. But the proposal caused a backlash from the secular opposition and EU officials said it could jeopardize Turkey’s efforts to join the union. […] Turkey decriminalized adultery for women in the late 1990s. It had...