Tadić je prozapadno orijentirani reformista, a Nikolić -- bivši ministar u vladi Slobodana Miloševića -- predstavlja stranku čijem se lideru Vojislavu Šešelju sudi u tribunalu UN-a za ratne zločine u Hagu.
Tadic is a pro-Western reformer while Nikolic -- formerly a minister in Slobodan Milosevic's government -- represents a party whose leader, Vojislav Seselj, is being tried at the UN war crimes tribunal at The Hague.