Obama and Taking on Oil Companies

What good would it do to impose a "windfall profits tax on U.S. Oil companies?" None that I can see because it wouldn't help the American
people, it would just add more money to the federal government.

http://www.reuters.com/article/topNews/idUSWAT00963020080609?feedType=RS
S&feedName=topNews&rpc=22&sp=true