James Surowiecki in The New Yorker:

When the China National Offshore Oil Corporation, or cnooc, made an $18.5-billion bid for the American oil company Unocal two weeks ago, topping a previous offer of $16.5 billion from Chevron, a political storm was inevitable. The Chinese government owns seventy per cent of cnooc (pronounced “see-nook”), and, for many in Washington, China is a natural enemy in the making. Representative Joe Barton said that the deal “poses a clear threat to the energy and national security of the United States.” Representative Richard Pombo prophesied “disastrous consequences.” A host of congressmen argued that the Committee on Foreign Investments—a government body that vets corporate acquisitions by foreign companies with an eye toward national security—should investigate the deal.

More here.