The Ulama are the guides of the Ummah Hierarchy in Islam

Do the muslims have a central authority? Is there a heirarchy amonsts us in the area of the Islamic sciences? Can the common muslim be anything other than a non-critical immitator (muqalid) of the scholars. Is it the business of the student who hasnt attained the rank of scholar to analyze the proofs of the Ulama or to simply follow? Where does his/her safety lie. We will be analyzing these such questions and more tonight on the Deen over Dunya/ Art of spiritual warfare Tonight at 8pm EST