Key details about Yale University student who was recorded screaming at a professor on campus have emerged, including the fact that she helped hire him to his current post. The screaming was over the Halloween costume emails, one of which was written by Nicholas Christakis’ wife Erika. Nicholas Christakis is master at Silliman College, one of the undergraduate schools at Yale, while his wife is associate master. These positions require living on campus and feature the Christakis being directly involved with the students there. “Masters work with students to shape each residential college community,†Yale states, “bringing their own distinct...