Should the US government prohibit Chinese companies to buy US oil companies like Unocal? Positions: 0 1) economic and political advisors to the Bush government; 2) Unocal's board of directors; 3) Chevron and its lobbyists; 4) free-trade economists; 5) China National Offshore Oil Corporation (Cnooc); 6) Chinese government; 7) US Department of Defense (Generals)