The AP has a story out that basically portrays oil execs as cowering under the thundering bloviations coming from the Senate today: "Where is the corporate conscience?" Sen. Dick Durbin, D-Ill., asked the top executives of the five largest U.S. oil companies. It's all about economics, came the reply. Supply and demand. The company leaders tried to shift attention from motorists' anger over $4-a-gallon gasoline to a debate over new areas for drilling. But senators at the Judiciary Committee he