A huge study out of Germany, released in 2010 but now mostly forgotten, provided a serious point to ponder. After researching 45,000 youths, it found that with increasing religiosity Christian young people became less violent. But Muslim youths became, with increasing religiosity, more violent. My, even a relativist could get the nagging and nauseating feeling that maybe, just perhaps, not all religions are the same, after all. More and more Americans are realizing this, too. And despite the Islamic threat being like Harry Potter’s Lord Voldemort — you’re not supposed to name it — they’re increasingly issuing warnings about it....