anything. There's a skyscraper in Houston that's called the Williams Tower, but everybody I know still calls it the Transco Tower, which was its name until 1999.
http://en.wikipedia....ki/Williams_Tower

Likewise Kentucky Fried Chicken isn't the name of that company anymore, it's KFC Corporation.

If BP shares underpin a lot of their pensions, then that's a major financial mistake the pension planners made and the British Media should be going after the planners for fucking that up, not after the USA for wanting to make sure the cleanup is funded.