Crop yields in smallholder systems are traditionally assessed using farmer-reported information in surveys, occasionally by crop cuts for a sub-section of a farmer's plot, and rarely using full-plot harvests. Accuracy and cost vary dramatically across methods. In parallel, satellite data is...

How does the Constitution structure government? / H. Jefferson Powell -- Political parties and a workable government / Lloyd N. Cutler -- The Constitution and foreign policy / Nicholas deB. Katzenbach -- The beast that might not exist : some speculations on the Constitution and the independent...