Anyone who finds the concept potentially appealing really needs to read up on pre-WWII Japanese politics, where a culture of political assassination, plus a major flaw in their constitutions, couldn't form a government without the Army and Navy's assent/membership, pretty much made the following ugliness inevitable. You really, really don't want to let such a culture develop.

Paul Johnson's Modern Times devotes a chapter to this: http://www.amazon.com/Modern-Times-Revised-Edition-Perennial...