Europe is back at the center of global politics. Leaders from around the world gathered on the Continent for various meetings last week, including a gathering of the North Atlantic Treaty Organization's leaders in Belgium on Thursday and the G-7 summit in Italy on Friday. And this week promises more of the same, as India's prime minister visits France Germany and Spain, while a Chinese delegation meets later with the European Union. The flurry of activity suggests that changes are afoot, but the Continent is doing its level best to maintain the status quo....