There is no such thing as Islamic Political System. Check out The whole Islamic history till to date. Look at first Four Kalifahs, Every One elected in a different way. Then there is Banu Ummayyah,,,and Banu Abbas... Total monarchy, Look at Muslim rule in Spain, India, Turkey,,,,!!! and now the present system of nation states,,,,,,Where is the established , solid, concrete Islamic System which we may call Islamic System????