What's the point of having departments like the DOJ and EPA as well as others when they make a decision that is not agreed with and they are made to change them to form to the adminstrations point of view not the facts?

http://us.rd.yahoo.com/dailynews/fc/...=1&oref=slogin

Over the past five days, the officials said, the White House successfully put pressure on the E.P.A. to eliminate large sections of the original analysis that supported regulation, including a finding that tough regulation of motor vehicle emissions could produce $500 billion to $2 trillion in economic benefits over the next 32 years. The officials spoke on condition of anonymity because they were not authorized to discuss the matter.