How does political scientist use the scientific method in solving political issues?

Those politic structures that exist up to the present are dualism: Controller (politicians) vs Controlled (people). A new idea is to apply Project Management techniques to political governance, "Tripod Structure" (offered by a jcwang00 in Taiwan, 2009), in such, Politic parties act as consultant agents (Offering planning services on people's request, on paid bases); government bureaucrats are nothing but employees by people for governance("public servants; people are masters of countries and the World, they rule the Earth in Indirect Democracy.

One thing you must know: Direct Democracy is absolutely eulogistic that it can never ever be practices, believe it or not. And that's true even using a giant computer system for election as well as decision-making.