CREDIT: SCOTT DUNLOP Bartender Christopher Ewert pours beer in the Grawood pub on Dal's campus. Pub crawlers at Nova Scotia’s largest university have heard their last call. Dalhousie University has banned the boozy events, where large groups of students band together to visit strings of bars. “The university doesn’t approve of or condone pub crawls, and we will not permit them to be advertised or organized on campus,” said Eric McKee, vice-president of student services. “In some respects, relatively high-risk alcohol-use behaviour is involved, and we are not in control of what goes on during pub crawls. They occur...