Konstantinos Barbarousis and Nikolaos Michaloliakos are connect by their involvement in what group? 
Golden Dawn (political party): The Popular Association – Golden Dawn (Greek: Λαϊκός Σύνδεσμος – Χρυσή Αυγή , "Laïkós Sýndesmos – Chrysí Avgí"), usually known simply as Golden Dawn (Greek: Χρυσή Αυγή , "Chrysí Avgí" ] ), is an ultranationalist, far-right political party in Greece. Golden Dawn (political party):  It is led by Nikolaos Michaloliakos.
i don't know