AFTER two weeks of escalating violence, the US has halted its strikes on Iran, with Tehran also silencing it guns. But rather than any newfound belief in the benefits of peace, the Trump administration may have made the U-turn on account of the mounting practical costs of continuing the conflict. Moreover, efforts by regional states, including Pakistan, may have also helped convince both sides to give diplomacy another chance. Whatever the motivations for the belligerents to refrain from host...