A small group of striking graduate student workers rallied outside Harvard President Alan M. Garber ’76’s private residence early Friday morning, marking a new escalation in the Harvard Graduate Students Union-United Auto Workers’ ongoing strike as contract negotiations with the University remain stalled. Roughly 10 demonstrators gathered outside Garber’s home from about 6 to 6:30 a.m., chanting and writing “CONTRACT NOW” in pink chalk on the sidewalk. The group represented a small fraction of HGSU-UAW, which represents roughly 5,000 graduate student workers. “Garber, Garber, stop stonewalling; this is HGSU calling!” demonstrators chanted. They also shouted, “Hey, Garber, how do you...