Imagine a city where a rush-hour backup might involve just a few cars, and the air is clean because just about everything runs on zero-carbon energy. That's the goal for the Swedish capital, Stockholm.
As Congress debates whether to authorize military action in Syria, President Barack Obama and his administration are continuing to make their case at home and abroad. On Wednesday, Obama sought to couch the issue in heavily moral terms.
The Swedish warship Vasa sunk in the 17th Century on its maiden voyage. It keeled over and water rushed in, killing 30. New research has found that specific flaws in the ship's design probably sent it to its early, watery grave.