Romania Faces Hung Parliament Risk After Vote  BUCHAREST (Reuters) - Romania faced weeks of uncertainty on  Monday after inconclusive general elections in the poor Balkan  country, already struggling to stay on track to join the  European Union.  Partial results showed the ruling ex-communist Social Democrats  (PSD) of Prime Minister Adrian Nastase a whisker ahead of the  opposition centrists in Sunday's election but well short of a  majority in parliament.