As the world hunted him, the younger brother suspected in the Boston Marathon bombings acted like any other college sophomore. Dzhokar Tsarnaev, 19, was on the campus of University of Massachusetts-Dartmouth every day after the attack until late Thursday, a university official told CNN. Tsarnaev attended classes and dorm parties while the rest of Boston came to a tense standstill. A student at the school told The Boston Globe that she saw Tsarnaev at a party Wednesday night that was attended by some of his friends from intramural soccer. "He was just relaxed," she said, asking the paper not to...