HANOVER, N.H. — Barely 48 hours before nine Republican presidential hopefuls are scheduled to debate at Dartmouth College, signs began appearing on campus Sunday evening announcing a demonstration in support of the Occupy Wall Street protests. A “Students Stand With Staff” organization with ties to the Service Employees International Union is organizing the event. The group plans to hold its rally on the center of campus during the four hours immediately preceding Tuesday evening’s high-profile debate. Sterling Beard, a senior at the college and editor-in-chief of The Dartmouth Review, a conservative campus newspaper, told The Daily Caller that organized labor’s...