p.191-192 A New Birth of Freedom, Jaffa

In the Federalist, Madison wrote for the first time in history about a government that was "partly federal, partly national." What was the divide between Calhoun and Buchanan on this issue? What did Calhoun mean by saying that the country cannot be a little bit pregnant? Describe how these two points of view effect the right of revolution vs. the right of succession. Compare to European Union today.