"Wonder what China's retaliatory forms would be if Unocal accepts Chevron's bid?"
The header states that Unocal has already accepted Chevron's bid.
'Tis a misleading headline. The story is that Unocal's board merely endorsed Chevron's new bid, much like they did with Chevron's original bid back in April before the ChiComs came a-callin'. It goes to the shareholders for either approval or disapproval on August 10 with the Unocal board's endorcement.