That was point of contention b/w us back in the thread. None of the opposing argument provided an explicit order from divine authority which refutes my fact !
Both links are arguing on simple semantics which I dearly avoid. I have read whole quran. Not a single ayah in it which says it is obligatory for the leadership to stay within House of Prophet and no one can rule beside them. There is not a single Hadith which binds leadership to Ahlul bayt solely.