AP - Republican Mitt Romney sought to lock up the Florida primary by refusing to talk Sunday about little else but the economic jitters confronting the nation. His rivals took different tacks toward the same goal as they fanned out across the Sunshine State.

AP - Democrat Barack Obama said Sunday that his landslide win in South Carolina's presidential primary marks a turn in political history, showing that a black candidate can appeal to voters of all colors and in all regions.

AP - Gangs of youths armed with machetes and clubs fought running battles with police on Sunday and burned tribal rivals alive in their homes in western Kenya, pushing the death toll from a month of escalating ethnic violence to nearly 800.