At G-20, deals struck on climate and taxes, but skeptics doubt their reach

On Sunday morning in the deserted neighborhood, under a gray sky and military helicopters, a 4-year-old dressed as a witch was strolling hand-in-hand with her father, holding an empty plastic Halloween pumpkin basket. Entrepreneur Loris Talone, 52, and daughter Vittoria were the only civilians in sight on the street, which was populated by police, paramedics, journalists, and professional drivers idling as they awaited their passengers.