Talk politics.

I suppose bringing in too many agencies into the legislature would slow things down (and in most countries if the legislature moved any slower it would go backwards). Of course, I've never felt good about having multiple agencies having overlapping jurisdictions and objectives. If there is confusion about how responsibilities and powers are divided you get gridlock. That bickering is one of the reasons disaster response by the U.S. government (at a federal, state, and local level) is so notoriously slow.

I was first recommended that book in the software testing class I am currently taking. Testing is probably the most critical part of software development because a product is harmful to both buyer and seller if it has major undiscovered flaws. One thing I've learned from the class is that while you should create a test plan early in the development process, you shouldn't view that plan as a guide, not a straitjacket. That approach is explained rather succinctly in that book.