Motive still a giant incomprehensible mystery. But there are suspicions that he was one of those Tea Party NRA type of people. Certainly his peaceful tolerant religion notorious for its love of kites, puppies, infidels and women had nothing to do with it. NPR has done some background on Tamerlan Tsarnaev who, it turns out, was surprisingly Muslim. (Not that NPR can say so.) His Islamic attitudes extended to his treatment of American women. LAURA SULLIVAN, BYLINE: Well, these women were close friends and roommates of Tamerlan’s girlfriend, Katherine Russell, and they knew him for several years while they...