Iraq holds nationwide vote on Wednesday , first since U.S. troop withdrawal in 2011 . Runup to polls has been violent , with election centers attacked this week . Comment: Prime Minister Nuri al-Maliki is battling for a third term in office .
Iraq holds nationwide vote on Wednesday , first since U.S. troop withdrawal in 2011 . Runup to polls has been violent , with election centers attacked this week . Iraq has been beset with political and sectarian violence for months . Prime Minister Nuri al-Maliki is battling for a third term in office .