Romania’s Math Whiz President Faces Tough Budget Arithmetic

The ballot numbers added up for Romania’s Nicusor Dan, the one-time math prodigy who defeated a formidable far-right challenger to win the Black Sea nation’s presidency this month.

But Dan, the former Bucharest mayor who was sworn in as the country’s head of state on Monday, will confront a wholly different set of numbers as he seeks to narrow what has become the European Union’s widest budget deficit.