... and it's a train whistle. Cold Spring Shops thinks as well that the twenty big ideas of the National Council for Economic Education should be the basis of the social science standards. If the Secret Committee for the Senate Standards would like to place those in lieu of the claptrap in their now, I'll sing their praises. Stephen also notes the work of the late, great Paul Heyne. One of my memories of grad school was a dinner with him and my public finance prof; his text is still the sine qua non of intro books. No graphs, great end-of-chapter questions that could take a well-spent lifetime to answer.