PARIS – Karen Hughes should be French - it would make her job easier. As the US undersecretary of State for public diplomacy returns home from her first foreign trip burnishing America's image in the world, she might feel a touch of envy at the glowing international reputation that France enjoys, highlighted in a recent study by the Project on International Policy Attitudes (PIPA). In the survey of people in 23 countries across the globe, a majority or plurality in 20 described France as exerting a positive influence on world affairs. The US, by comparison, is seen as having a...