OAKLAND, Calif. -- Rowdy crowds that took to the streets after the Oakland Raiders' Super Bowl defeat left parts of the city strewn with broken glass, charred hulks of burned cars and a fast-food restaurant with nearly every window broken. Police in riot gear responded with rubber bullets and tear gas, and briefly closed some stretches of city streets. At least 23 people were arrested, mostly for public drunkeness, authorities said. About 10 vehicles were set on fire, and crowds broke the windows of at least one television news van, police and witnesses said. One group of young men set...