Articles written by Jonathan M. Katz Tamara Lush Associated Press Writers Port-au-prince

JONATHAN M. KATZ TAMARA LUSH Associated Press Writers PORT-AU-PRINCE, Haiti

Hundreds of U.S. paratroopers touched down in shattered Portau- Prince overnight as U.N. and other aid organizations struggled today to get food and water to stricken millions. Fears spread of unrest among the Haitian people in their fourth day of desperation. Hard-pressed government workers, meanwhile, were burying thousands of bodies in mass graves. The Red Cross estimates 45,000 to 50,000 people were killed in Tuesday's cataclysmic earthquake. More and more, the focus fell on the daunting challenge of getting aid to...