Courtesy of The Guardian We’ve gotten used to reports of Islamists attacking non-Muslim infidels. But I also read of Sunnis killing Shiites. 65 killed, 175 injured, lots of women and children, were just blasted by remote control in a crowded marketplace in northern Pakistan. And the inter-Muslim killing goes on in Iraq and Afghanistan. The extremists don’t just hate non-Muslims. They hate anyone who doesn’t adhere to their brand of it. It reminds me of years past when the Catholics and Protestants of Northern Ireland were killing each other, but never in such large numbers and not so incessantly. They…