Greek Prime Minister Costas Karamanlis has confirmed that a snap general election will be held on 4 October. He asked President Karolos Papoulias to dissolve parliament as of Monday, after announcing the election on Wednesday.

The NATO summit comes to Southeastern Europe this week, and Greece is looking forward to it. The choice of Bucharest as the summit’s host holds stark symbolism. Romania, having joined, alongside Bulgaria, the trans-Atlantic alliance in 2004 and...