The price of gasoline is one of the new themes emerging from the 2012 election (see WPI 24 February). We've seen it in the Republican presidential candidates' comments about energy policy and foreign policy for Iran; we've heard President Obama call for better mileage standards; and we are going to see it dominate congressional debate for much of the spring.

Senate leadership has been negotiating for weeks over amendments to the highway bill. So far more than 100 have been filed; but, in order to keep a clean bill and move forward on an underlying piece of legislation that is popular on both sides of the aisle, amendments have been blocked. However, with limited legislation this year and an election looming, the no-amendment route is...