Sheaths of various kinds became popular in the 18th century, but libertines such as Casanova saw them more as protection against disease than as a form of birth control.
"In practical terms this means that behind the scenes, initiative committees and the authorities engage in a process of bargaining," says Ms Casanova.
Much as Madison envisioned, the various special interests in Switzerland must eventually find common ground in what Ms Casanova calls an "institutionalised search for compromise".This was not, however, what attracted America's Progressives to the Swiss model.
Casanova, for example, almost drowned himself in the Thames after catching his mistress under her hairdresser.
As Corina Casanova, Switzerland's federal chancellor, puts it, "we strive to solve conflicts through consensus and compromise".
As Ms Casanova says, the Californian system was designed to be "confrontational".
The four sections of "Vertigo" recount the travels and travails of the narrator and others, including Casanova and Kafka, and the paranoia, paralysis and desolation which afflict them.
Others believe that the genetic control of susceptibility to infectious disease forms a spectrum, of which Dr Abel and Dr Casanova have only seen one extreme.
A blog site called Orszgasm.com was soon devoted to chronicling the affairs of this unlikely Casanova with a calculator, who sported not one but two BlackBerry holsters.While often amusing, this book is a story of disappointment.
Buy from Amazon.co.uk GIACOMO CASANOVA, an Italian writer and bon vivant, was not easily shocked.
He is something of a Casanova, but gives no hint of any romantic entanglement.The conversation goes like this.
