Universities across the country have divested themselves of endowment assets in companies doing business in Sudan, reacting to pressure from students to take a financial stand against the violence in the Darfur region... The Sudan campaign also aims at states and municipalities. Illinois, New Jersey and Oregon have approved divestment, and legislation is pending in several other states. Earlier this month, Providence, R.I., became the first American city to authorize divestment... The campaign began last spring at Harvard, when the university sold its estimated $4.4 million stake in PetroChina... Soon afterward, though, Harvard was criticized for increasing its holdings in Sinopec, another oil company doing business with Sudan. Last month, the university divested its shares in Sinopec...