PRINCETON, N.J. -- Princeton University students voted down a referendum by a pro-Palestine student group calling for the Ivy League university to expand its hummus offerings, the school's student government said Friday. It was a quirky campus vote about a chickpea dip that delved into international relations. The student group Princeton Committee for Palestine wanted university-run stores to sell an additional brand, arguing that Sabra, the only brand currently offered, supports human rights abuses. Sabra is based in Queens, N.Y., and Richmond, Va. Company officials say the firm makes donations only to charities in North America - and not to...